{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "2064646764",
    "entityType": "Track",
    "nonce": "0x92cddeeefab251a6f52cb2e0769ce8fb9fb145b11192fc056de9da8e5dcc3390",
    "signature": "0x833369fe87646a0db824011975929470917d5acb44eafb2079780ac4313372502743c387c20f5f02386ac257763b347a23b2a8a56799ab321fb435893c4f866d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}