Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHvQ1qYYtI5HJGy/Qcm3b+yUJoZ9Rt9Qk7MO4rkwBWzLD2o1ak70LwJHWnA… (844 chars)"
  }
}