Transaction not yet indexed

5M99UjPZETVu7pr8Tyu2pDc8ojn3fpfe71bJn1qQTi3qdQA1oBC3TYzFcL7N166xbPjrBVPBpPRAY6Ub1fDUScxC

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