Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDqOVrESboLlRHF7EZ9ZtLK9JybV8OY/6OemP4X+WdDUyNG4x7/uF+r+ZfU… (844 chars)"
  }
}