Transaction not yet indexed

AMcXdJxGKoy5LnJ7Ganb4esCL9iNeP8RjN4pWJ91ngtagsNsf6X33Nz9Sh1f2ky3EC2ec1ns3ro5vBWhmG2MhX6

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.