Transaction not yet indexed

668ffMWrGBFa5gE9MX1tQd7RVAfjAFnUfxeydNDmMHpw4cXkmuzedodskomuf4VSnD9sq6Pdpho7Unz5gtZgFTLj

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