Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEACUr5+bMKAf3ZUOZiV5nH6W0dGq79Fqq8RwZ1n0vckhQpT1UagG4OrNBh… (844 chars)"
  }
}