Transaction not yet indexed

666NFmTk84TJMtq9H2z67DmRU8ajnxwa42sxvjqn2hdxzBbuorEEYfCG9yxZvLuj1fuYaEwnk57ZD4p8ykgFr5yd

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