Transaction not yet indexed

21A7sZJoR5MpkZ2TKbcC8XKVD76MkMMjcQnUVHYegHAAELFppXQWXHMguvmUHj4LTS2bZe7qM2XUMbZQe8z8Zsp7

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