Transaction not yet indexed

21sSAEWn5hv8p8t9DKyxdPaQ4VVT91MEFnXGJTJbvjdbShirHApfeTKNAMgprMN4Y2sWWFVMsYJj4pcGGE2dfcM2

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