Posts the user's review to Stellastra

{
  "type": "object",
  "properties": {
    "rating": {
      "type": "integer",
      "enum": [
        1,
        2,
        3,
        4,
        5
      ]
    },
    "user_email": {
      "type": "string",
      "description": "User's email must exist and must not use a professional domain (I.E., not from a free service)."
    },
    "user_name": {
      "type": "string"
    }
  },
  "required": [
    "rating",
    "user_email"
  ],
  "additionalProperties": false
}