Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGOgQIay7CwYyIR7JskBZr/yVm4yiVR0Lu6B3cftMlPr0JYF0T9RVCGR+hK… (844 chars)"
  }
}