Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtRPwwyg74oZOAaww4gH/eFkNO+1WPqkhoXjbEphnUcmPu2WN5HFQZQeW4… (844 chars)"
  }
}