Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHRQbQNmYo2g/OFIu0zYcbCxkhWpWOVteUZqZagb/Y+7F5SPsZfPBtW5RE1… (844 chars)"
  }
}