Transaction not yet indexed

RkAUM9Tcvg5mTkbX7dF5fQWYsHoY7DSoHfqmyYvtNvgVKuufw2giAxvVBniS5vVPpe4MLHJM7Cg2xQzZMCR2Wnt

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