Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBX5RWs8IPSfF1jbRppym3xmA5cGFtzWL3yAn5ycIB4m2UHMgI5QZH6S+Q0… (844 chars)"
  }
}