Transaction not yet indexed

XMam7iToZWgNGGr11msyMYKaJacTRUmVctZEcFEkUbBs34oFWAHhsaJMnH6YXyrwE9bWjoDTCaHTZjHiCz8qVZ1

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