Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHwsG4LFcMEhgyRIxFGA8evEqgE4VqAYZGTOuOC9rAS61FUGJAULkbYxdHw… (844 chars)"
  }
}