{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1698297418",
    "entityType": "Track",
    "nonce": "0x7f7c290b7c3fe9c899b4843b103e46b382c4f31b41450672af933a26d501b0cd",
    "signature": "0x9347c7b1a628be854e54f2aac5040ecda9a381e3af532fb38eac8b6591601b3e0c84de2138a753a14ed77a494f1ed5176dd170f1153f4180cdcd0388c4a1445c1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}