Transaction not yet indexed

Cn6Ab99CZmRPt3ym4ykcnQppADR1sf1tz8qSES9ik2UbP4ptEzfGehqGNARS7CkqmFjuvvP9sSCCo8CaKTn6GcZ

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