Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBwWf9M/aZRO+39dgUabZw5Cad3LIx7S58RUdH1PZ7cexvbKVTFD/Qi6iKy… (844 chars)"
  }
}