{
  "manageEntity": {
    "action": "Save",
    "entityId": "2061137709",
    "entityType": "Track",
    "nonce": "0x08f6c1fba8332235d3196872a3293acdd8b52176fdad2fb35cd9022fad7c1fb9",
    "signature": "0x5b900ad2852fdb18224305af864bb89ebdc0c2a0f6a9abd23aab5229c8faf9662e124aaa197e780b156e7acd38f573ca1418058e3417dee635ff01d021680d2d1c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}