Transaction not yet indexed

668zXmBUinxmwTJkVhWtkwXojM4wcksSp6mJ3JaL3qvPecPq4AJB3bjWeWwSXZ4fLzSTcgUjmKdKWTFxfq3k9Xjb

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