{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "183891",
    "entityType": "User",
    "nonce": "0xb54f2cad49c9716f37a8fe33f2fbab9f41bdcd095bf7163b5a2041cc3e14fb9e",
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    "signer": "0x25Dfb5B0D7CDE92b65C3EEB690F0d4afdd575ae8",
    "userId": "253005"
  }
}