Transaction not yet indexed

HMckUvktyM6dnNZeefCHYEfzPt3tqUFZFV12sLL2K9VBhSnqwsFEqEDdzeKXGAdvyE3BkHcmEQDAcErw9Z3z2De

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