Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC37w/JGDdUx5VLrmcl/18dKMHYm8J6FAkX/S7Bu9S6eTk2tL1mM1RsLEJt… (844 chars)"
  }
}