Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFhpQqsQNp5Zn5lSrZjEIASSo0H/Aqv+Cyxf1N0lZM2PChvfxD/u9RmTPK1… (844 chars)"
  }
}