Transaction not yet indexed

U21tFizRnzM17ugm7o16gNp33a4UcDPipb3Zvbd8aB7cwpXJTgkqj9PD9ozTKEHZBPBYKX6PLAtLXQoVtSqYCKh

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