Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGRsKGfMtWj4oWv3FLtFUTnQY84vTh/HZCBYUunICDL6Ugxb0RIb8+Yu1vn… (844 chars)"
  }
}