{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "390804",
    "entityType": "User",
    "nonce": "0xcc2f7a0da888fb9f2dc5f68a7152fd9beca7fdf77e654478159cc1573c804cfd",
    "signature": "0xb4c9fb6fd9e6e8a1dedc5215ea26682c063c59c6ba5c04e61644ba483af68bd060ff9700238f50b99584e0c1cc023d975bfdcd84235f9362f8cc706ce4e660aa1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}