{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1468198774",
    "entityType": "Track",
    "nonce": "0x09ba35b8d4418dfb4b9c27f71dc87d020f6ed4cc1876c70eda9a4a7efaf42fe5",
    "signature": "0xec0ea466f8ccb4379c0883ee5ac762adc440b0d06668873f8ef30428098267263d4529acfe59998222d22c778ece8132920f73ff015ed77d0bb38143d8a1b02f1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}