Transaction not yet indexed

niwiPbz7hTp1RWQHtqUsuSgg9DyxHgGNNNPHBgwoPAADCHd7NGVBgW2Kaj4DMoJGy5iwaLo8V2JwtnuN2wEvh91

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