{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1270542170",
    "entityType": "Track",
    "nonce": "0xf46f3b531df17b4c45f10b91853ab73a2831920856dc3a2bd2a9c2272f0e59b4",
    "signature": "0xd45e2352ece6c8f203024c86e3d9de5bb946e0a987a5e2be45098032ea898f27114dfa0870e394103080f62f8f291e5e8b4eed4ef1f30aada516507b9b91187f1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}