Transaction not yet indexed

MT18a6hs5hDFuBjZXuoXsHFtpctxWs41qz6XQcKrb3ZzwdAQhgEFHYZRRnZD7Hbubkv8pdb2dA4Qz3rAjbd4Hu9

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