Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCXYwFxzWJGh65PfkFghDAh+7boNR/p7sKYNhTxFHIIKGJYTMsfJTxUvjKX… (844 chars)"
  }
}