Transaction not yet indexed

21ySqdDHkGEiTbjPhe9NPRVHJWqeC5kdFn4pSvbwPNPHSD2WWYb5eEJDxBEJZ4k8ftEWPWU3MXgdaCqRmRfdg151

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