Transaction not yet indexed

Mff4cQAqC6KGsTrdvTYKTtsdWfwTAyrpASKZPZ9t1DXjnVuvhsAhVhucVAsmLdg9NgSaPmWcdV89Jqq5PcC2Vyt

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