Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCmA8aqex1mvZbHvBrD+lHUiC5VtEzsBNpB28Ik/hcusVQlIy3f9ZMiwa5I… (844 chars)"
  }
}