curl --request POST \
  --url https://paradigm.lighton.ai/api/v3/agents/favorites \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agent_id": 123
}
'

{
  "id": 123,
  "agent_name": "<string>",
  "agent_description": "<string>",
  "agent_id": 123,
  "user_id": 123
}