Transaction not yet indexed

21AihZmFtihRCJaoyikUGKLuMamvhtW5wnKhXkpr2NVvsMeqPSa9e21PWKWkCypsPamBFbeoXvJkFDWv8bhMUYrK

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