Transaction not yet indexed

Y21bAbr8VKmvLRQjtPdw1GWf2X1jiSGapRy4HVbawVQULTWw7zKF4UAXgo6BCsYpYNBCzm6AY5nXQXE2vikBoXc

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