{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "319895",
    "entityType": "User",
    "nonce": "0xdb54b91948a319cba980b23338438845faeecf81ceecd82c48afa396995fb4df",
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    "signer": "0x25Dfb5B0D7CDE92b65C3EEB690F0d4afdd575ae8",
    "userId": "253005"
  }
}