{
  "manageEntity": {
    "action": "Delete",
    "entityId": "508425604",
    "entityType": "Track",
    "nonce": "0xc8999ccbc1d8781a68f22dd9f69d2a8d7daaafa88b674c7597674f716f88e2c5",
    "signature": "0xc72de6343061bc34f7e47d0293fcd6371f5396107cabfada377b957e5074dcee7920e78a5caa969e653b112c335518f3ec3577181e64fc5871712a705df1b0171c",
    "signer": "0xd52D6d2898A69024FEd4f448f7eef22b559C225E",
    "userId": "103096635"
  }
}