Transaction not yet indexed

66FKC2bAMcHasVhf145dW9eWaN5HT9gPEAgJbC1HMhqRrGdLktgY4BmkfUwEqYPsPEsLLiz2WFvrM1gU8Ep5uZgu

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