Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGh10GxPLK3RCER3D8lVkZSJnpRYjTtD3qmQffuDjPmhXMq59yUncBNOhfH… (844 chars)"
  }
}