{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf9d1b6089e87b0be05c5e6bee855803908f2ac0a933e1f80e91ba0c373ce750b",
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    "signer": "0x0FcAb20e0C97D4d3d08C8fFD891B8210fa488beb",
    "userId": "170294"
  }
}