Transaction not yet indexed

21Ap6gwuvoymgPxrF5AeWT2TBipMVCfysQ3JPKvnPyyyT7H7EmU7qdW8N6mVcVRo3pgiZVg7RLhfEYdjcHyi5oNW

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