Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/QZ/ACZjfysSvujBZrNH7/tZWTyv13Yx5JnV2j5Hbr0CcqxNCG+UzxEN6… (1,748 chars)"
  }
}