Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFPygrBcQLR3gWOzPfrlm3Tfzp3bFrNcWzH3rMOO7V/Zj9OXwLHrMyqiCdl… (844 chars)"
  }
}