Transaction not yet indexed

HPkMTn3pTNg8igiwYCb4N2m6SvsqsPgfbfb8HGFU7uuESHveNt1n2jK46iFVzKr1MY7GFmqexeFEFdT8XMhvzN2

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