Transaction not yet indexed

MecKCUqLA4sY44eZVPtbeEBmEt4PdBPSZgryaY72ewRSz3wMhAfq82AebsvEpGYmXFtj3GQgk6FXbKso9jxp1gk

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