{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3541",
    "entityType": "User",
    "nonce": "0x4dc97fa9498b66c9b530852b0ccdb2e57d857005b03d4b84cda9152b3dfb8d31",
    "signature": "0xfef4bfb75a7e81aca687a89b014721030e100408608ba0f42e80f210dd5334ef45db3c22634028edc3b93e3d6a7485e97449348d4d12e280d1521724bd9336a71c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}