Transaction not yet indexed

66LK4taCcQ2N2XGqdWKkcKN1PASGjS3ea3SMAqFjVQWJa4qTAKShk7MyizUWBqhc2jMSfdmQDWJLMvCqQhCxEbZe

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