{
  "manageEntity": {
    "action": "Delete",
    "entityId": "871886202",
    "entityType": "Track",
    "nonce": "0xc3d5be0c18ce48bac609be96a14204d5abc1535ae8521133f7bd1d50d576055e",
    "signature": "0x74ff7a447dc74142a5cba59546de469f4d4a4249294aaaaefb5c2731a151835228d0637c8c2d5e40a9947dc770d5725b841b87b1eab3dccde3fc063d073e730d1b",
    "signer": "0xddd857d1C30d7daA440677DFfdfB982c2013E513",
    "userId": "916942654"
  }
}