Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA9nMkLCCqPwsLH+EyjyNTAZh5idPdL2dOziUCj/yv8ECBcRjf5k5uUqk2C… (844 chars)"
  }
}