{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "16575",
    "entityType": "User",
    "nonce": "0xdb1bf6e5fd7489cd70c1fd533646b312dc7a93e5190473aa75f9fc06a55e0eaa",
    "signature": "0x6bfe20ee621ba0b3fec2f438f26e36a145c15dcb0e34287b891ff05b1fb3d0c85893f5078af5f23da488cb106a5d24f9800560b8d6bf7c6f8af4941cb183a0781b",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}