{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1640784197",
    "entityType": "Track",
    "nonce": "0xe6b83d8e93ff75a082f9ab9eed32b7f41c376e89e55c7952d2044f598b2eeebb",
    "signature": "0xb24454cedc261b6e7316469366af398d8b4fb6df1dae4802e5992525f157ebf16f9a88a8527d9cb1fa37971a8608758aaabe11bdb1b7f116850acd51b95ec9f01b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}