curl --request PATCH \
  --url https://api.example.com/api/v1/agents/{agent_id}/boards/{board_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "permission_overrides": {}
}
'

{
  "agent_id": "<string>",
  "board_id": "<string>",
  "granted_at": "2023-11-07T05:31:56Z",
  "granted_by": "<string>",
  "id": "<string>",
  "permission_overrides": {}
}