Transaction not yet indexed

421bMDBRYpMYFTyytoDBwReHp528tQCrQyfFWTpgD7PYJ1HGS3et9eJFutj77DegdHoEffXWfh5hoZkYkAyYHY3E

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