Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCrx6cVr0eFCZL/OxAHhVMjB4KWbK2w5EXwFvfAAXr1lRaKvxtWhxh1G0x3… (844 chars)"
  }
}