Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHQYVPbkwMJAriw6wgFPVWNPXFhpXFdkDi97TnWkBnpenoQasSJjUj4qA+2… (844 chars)"
  }
}