Transaction not yet indexed

666bFftpiFMm8Kx3ufAh7tFvvbqRewcc984kbBPhvFfRB4KGSeFxdP8KUE3DSavQvsSKdLcbADqAwwahhe7mMKRt

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