Transaction not yet indexed

MKLSxCUv4nipMaGsvFcYRKrsEcCCApDVUi9p5K7uJZVFcU2LLNomTbfTmAmeGT6aYDXApLxESCsShL5yMeSkDJN

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