Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGBSbBqvEUxfXXV6fIVH6+u+NZKfr1X3cfn0kQpxkk2jWcOb7rryPI0EB5P… (844 chars)"
  }
}