Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEhYB/tZf/YiiB9gng1dtt7yzUkghmgqenq1sBwNAZO5hV5a2Iu8rrLxrTs… (844 chars)"
  }
}