Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHCYsAjYbwxFWqJhAaQPVR8NYV5DQ05VBLftDIQxs9hvRp+y3rI6hQHENNl… (844 chars)"
  }
}