Transaction not yet indexed

21NiC6B8aJXV3vStRSSjNeuBAkceGFUPG6VzJmjv2UjCuCTRUGdr9pMS89SA6CsFY3TUzUoxatNjDUTE2LGQTSwi

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