type: object
properties:
  email:
    type: string
    description: Email address of the contact
  name:
    type: string
    description: The name of the contact
  phone_number:
    type: string
    description: Phone number of the contact
  thumbnail:
    type: string
    description: Avatar URL of the contact
  additional_attributes:
    type: object
    description: The object containing additional attributes related to the contact
  custom_attributes:
    type: object
    description: The object to save custom attributes for contact, accepts custom attributes key and value
    example: { attribute_key: attribute_value, signed_up_at: dd/mm/yyyy }
  contact_inboxes:
    type: array
    items:
      $ref: '#/definitions/contact_inboxes'