      {
        "code": "InvalidRequestContent",
        "message": "Required value",
        "target": "properties.issuer.url"
      }
      {
        "code": "InvalidRequestContent",
        "message": "Required value",
        "target": "properties.issuer.audiences"
      }
      {
        "code": "InvalidRequestContent",
        "message": "Required value",
        "target": "properties.claim.mappings.username.claim"
      }
