Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC9n0Z4ZBhqDmN7I/sPvTTNFWKblj8VCkUSUyiSzMj18F7uzOk2i6u9t6zb… (844 chars)"
  }
}