Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBnEdDjZQjRbmfC0A28WmD5Rthxr2qbPTdKc6MyMF/+ej43+CeWmIEwuqjF… (844 chars)"
  }
}