Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHyLKOBYnXNxTukclNbhJ9Nk8zSKfT01JGfFkkBs/uQ/Eu54FEwaw7/vFbT… (844 chars)"
  }
}