Transaction not yet indexed

668sXUkCFrDjH9LKdPjSKthsmA7CFebU2SmqVbsPaB3unpRujyPceYc1fN2zYaYAMdwAX7RwzTKxtXc6DrmCHyKb

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