Transaction not yet indexed

S18MZYSmLkfVxXRQrAC6hhGnVX2z4FDFKDCM258v5WWagqMLRJYKX5b5vCZ7aXZSHoDCwBFkWK9pKm2njZ1Tcqk

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