Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDrletn6nFSxkuNt5c8qKR4jfa//tXCwL9eHQb5P48RvRjmf6+Yc+GFZuNE… (844 chars)"
  }
}