curl --request PUT \
  --url https://api-message.nativehub.live/api/v1/contacts/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Alice Johnson",
  "email": "[email protected]",
  "tags": {
    "segment": "vip"
  }
}
'

{
  "id": "c9d0e1f2-a3b4-5678-cd90-123456789012",
  "tenant_id": "c3d4e5f6-a7b8-9012-cdef-123456789012",
  "name": "Alice Johnson",
  "phone": "+8801712345678",
  "email": "[email protected]",
  "tags": {
    "segment": "premium",
    "region": "dhaka"
  },
  "created_at": "2026-02-01T09:00:00Z",
  "updated_at": "2026-02-10T11:30:00Z"
}