Transaction not yet indexed

21U3oDnQKKvwzonyh2QHR1ipYKjCP4KjbFTf12V2eaqMKUZFBoF8GoTQFUrSSj4o3bHpEBHV9dsemYXDLzDsHy2A

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