{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1352506965",
    "entityType": "Track",
    "nonce": "0xb66d8a9ac1196e7afe4c0d6bf7904bb2395f4a74c8834201a76256f8ce316bcf",
    "signature": "0xd8b20aa8b5c83f89e16ecfedc1eaf37df33914f2bf5f5bba2d1507405e1c59d326538d61d2ce056c6063760ec409006a51e3b60439d3ff809301e9870dae61d81c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}