{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "312857",
    "entityType": "User",
    "nonce": "0x0c942cc8e20835ea6ef9eb5a4f0615cc8208bf98180e946688be341b91c84fe9",
    "signature": "0xc5457f756400f388bdc5dbd525bc37de92c4393e9dcd9b3ce33a3110f29b49836ee71fe46b5a82d1a02cfb9ac121135c8645e935d0c48d3189c637db22fdf9041b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}