Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHvp6DfdtDhb5kmN2K6NQ6C/ZJFHIJ+/n+R5aq7JqEx1W+zg7qbgRWlhdDl… (844 chars)"
  }
}