Transaction not yet indexed

21sd5mf2j7pTY67Ha5cECfcsHo3T7UHwkHG5wDBHSdZHmPgM6jwaNqzfs7g5UZTHvEQxNBVG6QEtes4RNPBLB2T1

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