Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDphk7ysP87vBpNL3E5xp9bpZVZ7gqUUsa9Kz8y3O3vIhqWjD7FYIdCnZ1h… (844 chars)"
  }
}