Transaction not yet indexed

HMkUc4CUZdqzyCGT9QaMr7tUdGh4qDYM24GpXAaR9fejtJeGBHmr6Jf9YCD4xBLAvyLmSo6ag28V4d9WFkAi8Py

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