Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwANgEYDyUbZbEy2FjxAzCl+HmKfDIiBEuq3YxPaxkWbnR+0OsRIHi1cMxgF… (844 chars)"
  }
}