Transaction not yet indexed

u66C7X23JVrVXAh6k4uwFVSigu5CVMXrSY2iJEe8fLX9oWHDXKHDvB71AvF8NPFDugZYEjrRnx9GDb9zdcDER7Z

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