Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFjc/Kp0eumZSZaM3+XF0hEH9yEF5id6nb4+lMYUSJDfmN9Q0c1C33TC6kc… (844 chars)"
  }
}