{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2e52dd2beb0f22b62c850daf9dcc2551f03b1110b29c43b274571ce515b9c15d",
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    "signer": "0xE6eC27B1b664fd45f86a0d06598029a98d1557c1",
    "userId": "783249135"
  }
}