Transaction not yet indexed

521a79X6Rj2CKpkg2czSPErd7U8zwTE1e3fhTrjwpbE75fE6dharUAw2pdwChxTgiWQK71Eja1CrpnUNn8mEdXRt

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