Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHV/sM5vTYKD4cqjO5LjpQ2Pyk2GI7nM+RNpnmcFyo7T1SSUhrL06VL8baT… (844 chars)"
  }
}