Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBu8hTo1epEMCjxVAVABsIhkwpLJ0WwcBVxsk5jXaH+LQbHcXk3M0pvDl/X… (844 chars)"
  }
}