Transaction not yet indexed

AmnLq1jgAHKzcGnuCRUgzhprFUQQUDAqayy1jS8pMVd5i2GS1nhxTtRBceme69yLU4Bsb6wXcydfXSXw5B981Am

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