Transaction not yet indexed

MKDfcPgSG2QYc16ZSHC8WkkhPmWs58SeZeMBjsLKf5dHivd1iGN1xU9AdTEYLwtkw2y17qjhMFStkriC4kuHmzF

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