Add users to an account

{
  "type": "object",
  "description": "The identification for user and account",
  "required": [
    "account",
    "users"
  ],
  "properties": {
    "account": {
      "type": "object",
      "description": "Account identification requires an accountId, domain or both",
      "properties": {
        "accountId": {
          "type": "string",
          "format": "account-id",
          "description": "Unique identifier for the account in your database"
        },
        "domain": {
          "type": "string",
          "format": "top-level-domain",
          "description": "The domain associated with the account (e.g. acme-inc.com)"
        }
      }
    },
    "users": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "identification"
        ],
        "properties": {
          "identification": {
            "type": "object",
            "description": "User identification requires a userId, email or both",
            "properties": {
              "email": {
                "type": "string",
                "format": "email",
                "description": "Email address of the user"
              },
              "userId": {
                "type": "string",
                "format": "user-id",
                "description": "Unique identifier for the user in your database"
              }
            }
          }
        }
      }
    }
  }
}