Transaction not yet indexed

NmbFXb3V91TCxDK8rjudFQ1tn8sMG4Wktat56q4xGuP7yfMFrGhEGuDyg7UYxfqpV1Hzrtmae6pbRM6xmiBntmZ

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