{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "320139",
    "entityType": "User",
    "nonce": "0x9af7e39b84c7843b8e4d984f1ddb2621ba58c10aeb59734f9fa2bb1b73a68e13",
    "signature": "0xa2e6c0a4951b1d5154061b4cdf2b8f962c79ccb4c5f2f6548cbf7a3a9b7368ab74b30146f2dd09dfe91534c2a5bfd496f3f5de9f66814226f599dc720b1bd9f21c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}