Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBW5ppJdMIBLwKPfGw3Y5P5/6aIFEuihpaSl1oJsNiFpGnpGKjzx8NWBoHT… (844 chars)"
  }
}