{
  "manageEntity": {
    "action": "Delete",
    "entityId": "879551423",
    "entityType": "Track",
    "nonce": "0x690da0d4315d4c46ce278bbad447d1d81b2fb13d11919c0135733ee3cadf74b0",
    "signature": "0x115de4695932de9c930eae2980dca40f5555f4c02bf0dc8d310fa967dabc42580f05e62fac8c0a44e166e3bafadd65e56ec124a063c9690a44ae7349d3cdfbfd1b",
    "signer": "0x39512477819E3723FEC7CE543450EA77A2F8731E",
    "userId": "385670"
  }
}