Transaction not yet indexed

5s21tqqLsAoYTpUETyd4RYPFmeWr5DRqVdu4FTixSWLvvx8oGfURjKHzfh4mBACWe2J9nqHH4vFmdxvCnQU5KiPS

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