{
  "manageEntity": {
    "action": "Save",
    "entityId": "1081044148",
    "entityType": "Track",
    "nonce": "0x4e41061a2f8416e7f7d934d7e948fde21c8d28dbe806da70abf55234096794f1",
    "signature": "0x13c2076c35d474bbcb40fdeaa3c4741d0e9e297e91e9063f8841784a63391b4a40c3af3de60aec2c887bdcfa5caaec7c00f7a1169b8579759aacbdd82011b77a1b",
    "signer": "0x36F7bb3C167871c723AC2134d4AaAeA284094714",
    "userId": "95466"
  }
}