{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1666726636",
    "entityType": "Track",
    "nonce": "0x6b40b372b6fd3452e428757e0edbe0cfdde3b6ab3426716da084e07029e2ec11",
    "signature": "0x2a141b74f288483febed9dfd31390b6d21206b93f50dfc1339f45209cd21d3621423ae1af0326ee9f2259eb43592873000d8591311facfe1aa1b7f6a23d2603c1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}