Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGkcH6kKpAiN7/8vNbNVc3dv14W6Vz5yu2hjtqHSFccPQHwC+HqZjWpKX4z… (1,748 chars)"
  }
}