Transaction not yet indexed

HPfXXt4bfBDqLMJSd4vaMPBLgu6v1JoJrPRjZrq7cFd6HH17gbSMA2d3z2Aj4qRkpcDFEwGLubb1soQgXfPzpiP

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