{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1801703452",
    "entityType": "Track",
    "nonce": "0xe38391a221101aab93b1db3ce8acb1bd1834238304ec28a966ce5447d3c9fb72",
    "signature": "0x9d79cd2beb3b41a1eb386b74c8b38abd51c6b69747f258ff3e91a754e614472c40c8205f20cea269371097b553b241a656373b6a3e10bd50de2ea3c08c3baddd1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}