Transaction not yet indexed

21Thf8Ak4G74CqHDh1cnoU2dmGhSpwYCwuUFpKPgYLCYXChXzFSTK45h8xHAutKKBzBbd2rYTBfrz3LbF1MWBHki

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