{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1515182850",
    "entityType": "Track",
    "nonce": "0xa46bac96d31c6e4f4a2d58aac4cd262d9416dd697fd10034545f294f0da1dc13",
    "signature": "0x85817b4d70a940d302e56b28a59e91706853a7ac9986d88deddfd66bdc164f057bcb0ab94e10f52db9694df7d2177acafa6430a7c66255af3a7ca669983dd53b1b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}