Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEX+yvr9W1lOF/7NzJ/7cm0v/rBbAmoVNnE5XKgUCBHjj9vq7NPRe7Y83/j… (844 chars)"
  }
}