Transaction not yet indexed

666MKfCqpMwbPRZhAMwZbtRdfEYSBdUExNVok1cC78RptothiN6NnnuviNPDHJm5YDWfyJv4F9D87WdpGCE62Hz7

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