Transaction not yet indexed

5251QFSQdYBxzhzAKUgg53hPkCSBbE4Dn25omihqTmHhhmR26Qq2RgJVrUGhENR1iH7ppkzSfVLPH48z1VEqhrpW

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