Transaction not yet indexed

5m21YLXh7d5aYeRLx3DiLxo7J1uVK4wsUhUNZ8r8toPki9dgEZJ4LMUKwuRJDbAMgEu8AKHomZv8aZZHEQppYdt6

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