Transaction not yet indexed

668etBRoEjCZMQe8TtthvuAWcMiLhxkWBkc4DGK6KvcUXUBStHGBkPtUGm4SMwvvcBDfDDumjXmoTacKfKqBcNVW

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