Transaction not yet indexed

21F4vrKk4FdK2tix4gxqwsu4WCaTWNa2vCMgLeaKCW6pdZFzyMM1vqopFND5caU23YcuTCdGvUqpEMkoL8eQKH1h

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