{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd89949040e624a12a47d6ac1833903261f62a488575a22278c77369184583784",
    "signature": "0x50effd696b38957976a82cba4901cc2dfeb48854676873c7cbc4d336c6e6bf2f11c4cc6a897dc9e3117aa4cec1f599dc293ed7ad193f0518c8c837194892b9321c",
    "signer": "0xe41F5320beB875D9258D700883C0B499bD3e714F",
    "userId": "235192279"
  }
}