Transaction not yet indexed

mpbme2xTyFBkf8xLtu2KjqkJBjSAnoAJBtaVwsgxRmM9ZWregwboqVrbXZajFfGh3Kj9iDP23ZKKs11d9QbZkip

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