{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1088425",
    "entityType": "Track",
    "nonce": "0xe4be8d6d1181a91209ab34d3cb439f0b95a420d85c859918d2065bd617f4265b",
    "signature": "0xc3e2224958ceb587b0154be0efbd3cd4a764f1ea902914fe4cecf8470871caf7792466940e2586fb0ddcfd271f8a082f50af067b1add541fab1476afbd8fdbce1c",
    "signer": "0x7848c1438a663A70aF2A2B1e61f7A9229dcc818e",
    "userId": "490080902"
  }
}