type: object
properties:
  id:
    type: integer
    description: The ID of the reaction
  emoji:
    type: string
    description: The emoji used for the reaction
  user_id:
    type: integer
    description: The ID of the user who reacted
  user:
    type: object
    description: Minimal user payload for the reacting user
    properties:
      name:
        type:
          - string
          - 'null'
        description: Display name of the reacting user
  internal_chat_message_id:
    type: integer
    description: The ID of the message this reaction belongs to
  created_at:
    type: string
    format: date-time
    description: The time at which the reaction was created