Transaction not yet indexed

Nmtx6fsF9saJuFu3ZUpuKYByR45g8J4PNkUkUQDbJfe2drG15Tv8BMQvmPLbM3v4RQWGb4pFS3a46KjJmfAJkRE

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