Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH/yJw3csnWxm8Edt+EXjS1M8WXqv3CjzjGX0i+BTmIUh6F0dYn7ubZoFpz… (844 chars)"
  }
}