Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDwgcKjkdfK/EzEG6k+UpSPqO8nnTn2MgYWYj+NGh6Hr1O52xuu6ORTB6KB… (1,748 chars)"
  }
}