Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHeTXEE1FLRX1Sq4pqfnDpxVhQpFKOu9lq1ypFSObd3ZA8VmhWxDV9D3ckv… (844 chars)"
  }
}