Transaction not yet indexed

5Ff1BXjZ3fvmLZcpCMA4bxTzzWqHaHZ3RUUM3C11zXTywfJjUETiXVGwo7tnM6bCFrgKVeureWkv3uuFsVME5of6

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