Transaction not yet indexed

421tdTcrdTzQ8RKKbgcCRc38WR6cCU3U5GuRyjZqWF3cuSFWTgEgNMmMkZhjGBS2cgNXMs7Qrck5TYeydK9CNUpe

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