Transaction not yet indexed

RF752fMybfCCDbqP9ZkTW7sfGCuTHWJtx3hR6ASnJhYeH8WZJV4txZvCyovcqCY7g66SbzaDbEGSPgkRD9UNaR1

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