{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1336753958",
    "entityType": "Track",
    "nonce": "0x6726ae107abe3eb3a370c514087ed37a29a6e2093c7714b6853c7abde9d48ee9",
    "signature": "0x06e869588e8bed6a59da7f3e759b6f36997fa5893ad526253433121ea6c32b18036dafe9f89cf4f5e82b76c55ba97fa0495b832ee3058307f1f50b8e2b9878151c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}