{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "987199883",
    "entityType": "User",
    "nonce": "0x4cd668ef6457ba7ea0079d2f0932abff1fe4d7fe25a81f26eab9741c6de9c164",
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    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}