Transaction not yet indexed

668aUPqAS2i5AxFC1Gqurjj4QfJTebR7Jex6aLFAaYAJ8u5wNmBVwuZvskmddFYaGWNwtw3wZGK5gJ18ZbJqgih1

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