{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1471740652",
    "entityType": "Track",
    "nonce": "0x34e9286c6e2e7c9f1d29951e37cc32c3c826841773a27d05fd3281c337c2126f",
    "signature": "0xcebdcb6c1506fa46384fcf3f1be1e96244b9c397d824c80652ec3f64421a5f266de7078ca901e0d0d5e9a2ae42665d6cc89141e5ff143fd06eb529823b3b3a9b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}