{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1047310270",
    "entityType": "Track",
    "nonce": "0x5f58b11241c4a98b8d7e3c6c72d8cef92b9e03a28c1feb62a2fc7b00fb7a96dd",
    "signature": "0xad7b85cc5d9892a27170daa108a41b0d2fd8dd7761446d1b95c7b69ab5dff996645e82c8ba697175fa0eea4105f87d16d56c64852375147150b596bdbfa4a71e1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}