Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBLK/hzb8fGUK4Hol+Wyncm0EG+U5Cs1yxfTvdkBoooKwtlZ4IxX6s9f9dq… (844 chars)"
  }
}