Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGhkSevWHsmM7C7lJ7YzV+Gipk2/B5MDRZxsZK74Np+wTLOVTIpNBZkWA18… (844 chars)"
  }
}