Transaction not yet indexed

621SVJ8jpK9dcMWqV47T2xDWht3GHTjPvkc1RGe2TndNUPxbcv4jKk759V8fWyfPQWw6BPWqPNw5T15R5LLFpToU

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