Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBn8PcbSm0stWGPFfgL3Wqx8hOELs2mNMrwmCND35LDAS6VmpKmtysrVMIq… (844 chars)"
  }
}