Transaction not yet indexed

S1644zBnCXsZ9qafku9Q9xEUNSR9NGXMGPvNYHRJ9EcqG3NWqGbbtrTJ2tqVcWknrRTLt76ZzAu8aGdVakh5Vka

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