Transaction not yet indexed

CU16su3UNoTRbjpqmoagahpMaaKamkCGz9E6rf3YVxLrEZ9xTnPq9SHFXFJ5fsvBPmdP7kpNMrD15VEHjP8voMA

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