diff --git a/pkg/indexer/decode/handle/blob.go b/pkg/indexer/decode/handle/blob.go
index 6921f8c0..64be0def 100644
--- a/pkg/indexer/decode/handle/blob.go
+++ b/pkg/indexer/decode/handle/blob.go
@@ -15,7 +15,7 @@ import (
 // MsgPayForBlobs pays for the inclusion of a blob in the block.
 func MsgPayForBlobs(level types.Level, m *appBlobTypes.MsgPayForBlobs) (storageTypes.MsgType, []storage.AddressWithType, []storage.Namespace, int64, error) {
 	var blobsSize int64
-	namespaces := make([]storage.Namespace, len(m.Namespaces))
+	uniqueNs := make(map[string]*storage.Namespace)
 
 	for nsI, ns := range m.Namespaces {
 		if len(m.BlobSizes) < nsI {
@@ -26,7 +26,7 @@ func MsgPayForBlobs(level types.Level, m *appBlobTypes.MsgPayForBlobs) (storageT
 		appNS := namespace.Namespace{Version: ns[0], ID: ns[1:]}
 		size := int64(m.BlobSizes[nsI])
 		blobsSize += size
-		namespaces[nsI] = storage.Namespace{
+		namespace := storage.Namespace{
 			FirstHeight: level,
 			Version:     appNS.Version,
 			NamespaceID: appNS.ID,
@@ -34,6 +34,16 @@ func MsgPayForBlobs(level types.Level, m *appBlobTypes.MsgPayForBlobs) (storageT
 			PfbCount:    1,
 			Reserved:    appNS.IsReserved(),
 		}
+		if n, ok := uniqueNs[namespace.String()]; ok {
+			n.Size += size
+		} else {
+			uniqueNs[namespace.String()] = &namespace
+		}
+	}
+
+	namespaces := make([]storage.Namespace, 0, len(uniqueNs))
+	for _, namespace := range uniqueNs {
+		namespaces = append(namespaces, *namespace)
 	}
 
 	addresses, err := createAddresses(addressesData{
diff --git a/pkg/indexer/decode/handle/test/blob_test.go b/pkg/indexer/decode/handle/test/blob_test.go
index ee36afd1..fe8eee28 100644
--- a/pkg/indexer/decode/handle/test/blob_test.go
+++ b/pkg/indexer/decode/handle/test/blob_test.go
@@ -4,16 +4,17 @@
 package handle_test
 
 import (
+	"testing"
+
 	"github.com/celenium-io/celestia-indexer/internal/storage"
 	storageTypes "github.com/celenium-io/celestia-indexer/internal/storage/types"
-	"github.com/celenium-io/celestia-indexer/internal/test_suite"
+	testsuite "github.com/celenium-io/celestia-indexer/internal/test_suite"
 	"github.com/celenium-io/celestia-indexer/pkg/indexer/decode"
 	appBlobTypes "github.com/celestiaorg/celestia-app/x/blob/types"
 	"github.com/cosmos/cosmos-sdk/types"
 	"github.com/fatih/structs"
 	"github.com/shopspring/decimal"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
 // MsgPayForBlob
@@ -80,3 +81,74 @@ func TestDecodeMsg_SuccessOnPayForBlob(t *testing.T) {
 	assert.Equal(t, msgExpected, dm.Msg)
 	assert.Equal(t, addressesExpected, dm.Addresses)
 }
+
+func createMultipleMsgPayForBlob() types.Msg {
+	msgPayForBlob := appBlobTypes.MsgPayForBlobs{
+		Signer: "celestia1zefjxuq43xmjq9x4hhw23wkvvz6st5uhv40tys",
+		Namespaces: [][]byte{
+			{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 189, 44, 204, 197, 144, 206, 197, 121, 37, 22},
+			{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 189, 44, 204, 197, 144, 206, 197, 121, 37, 22},
+			{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 189, 44, 204, 197, 144, 206, 197, 121, 37, 22},
+		},
+		BlobSizes: []uint32{1, 2, 3},
+		ShareCommitments: [][]byte{
+			{176, 28, 134, 119, 32, 117, 87, 107, 231, 67, 121, 255, 209, 106, 52, 99, 88, 183, 85, 36, 67, 137, 98, 199, 144, 159, 13, 178, 111, 190, 121, 36},
+			{176, 28, 134, 119, 32, 117, 87, 107, 231, 67, 121, 255, 209, 106, 52, 99, 88, 183, 85, 36, 67, 137, 98, 199, 144, 159, 13, 178, 111, 190, 121, 37},
+			{176, 28, 134, 119, 32, 117, 87, 107, 231, 67, 121, 255, 209, 106, 52, 99, 88, 183, 85, 36, 67, 137, 98, 199, 144, 159, 13, 178, 111, 190, 121, 38},
+		},
+		ShareVersions: []uint32{0, 0, 0},
+	}
+	return &msgPayForBlob
+}
+
+func TestDecodeMsg_ManyUpdatesInOnePayForBlob(t *testing.T) {
+	msgPayForBlob := createMultipleMsgPayForBlob()
+	blob, now := testsuite.EmptyBlock()
+	position := 0
+
+	dm, err := decode.Message(msgPayForBlob, blob.Height, blob.Block.Time, position, storageTypes.StatusSuccess)
+
+	addressesExpected := []storage.AddressWithType{
+		{
+			Type: storageTypes.MsgAddressTypeSigner,
+			Address: storage.Address{
+				Id:         0,
+				Height:     blob.Height,
+				LastHeight: blob.Height,
+				Address:    "celestia1zefjxuq43xmjq9x4hhw23wkvvz6st5uhv40tys",
+				Hash:       []byte{0x16, 0x53, 0x23, 0x70, 0x15, 0x89, 0xb7, 0x20, 0x14, 0xd5, 0xbd, 0xdc, 0xa8, 0xba, 0xcc, 0x60, 0xb5, 0x5, 0xd3, 0x97},
+				Balance: storage.Balance{
+					Id:    0,
+					Total: decimal.Zero,
+				},
+			},
+		},
+	}
+
+	msgExpected := storage.Message{
+		Id:       0,
+		Height:   blob.Height,
+		Time:     now,
+		Position: 0,
+		Type:     storageTypes.MsgPayForBlobs,
+		TxId:     0,
+		Data:     structs.Map(msgPayForBlob),
+		Namespace: []storage.Namespace{
+			{
+				Id:          0,
+				FirstHeight: blob.Height,
+				Version:     0,
+				NamespaceID: []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 189, 44, 204, 197, 144, 206, 197, 121, 37, 22},
+				Size:        6,
+				PfbCount:    1,
+				Reserved:    false,
+			},
+		},
+		Addresses: addressesExpected,
+	}
+
+	assert.NoError(t, err)
+	assert.Equal(t, int64(6), dm.BlobsSize)
+	assert.Equal(t, msgExpected, dm.Msg)
+	assert.Equal(t, addressesExpected, dm.Addresses)
+}