Transaction not yet indexed

666DFSfySfAdzMc8PFkahgcLLvFALXp2pyF8HcxTexSYPYJaprxRjxqkxNmrUPQAVbeLFCxYxJ7TiybmVq7LRNLR

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