Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHRNz1m6DgKCOQSZzOAuB8KWX9tspdzlv1dgQ8KCz+gE1gFQUMRBxF6mCe9… (844 chars)"
  }
}