Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBSN/SjSq1TcjA1h8GOhDOL6eCnDP5NZpR3moMMKDRJqnW3QfEZv9Cw85LO… (844 chars)"
  }
}