{
  "manageEntity": {
    "action": "Delete",
    "entityId": "445805",
    "entityType": "Track",
    "nonce": "0xeb5b52557dda63e4ebfcec963133202fe60dc4845e05722fa082cfdd94b1d5c3",
    "signature": "0x14ea4d53dcf76cb359c2d963def9e15573ce98de6534ddb10b93144332f5222006cd66736803b1f426395908e3c932641e7400ea997ac539b7121a15cb320abc1c",
    "signer": "0x3eAa3E814AA10Cf2145F714289ef3b07f21AbbaB",
    "userId": "73735"
  }
}