{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x56f06fed0df1788d11b5ee9ec516370fd7cad974b996e91bc7a186bbd720e287",
    "signature": "0x963972b3930a1cb4485b82029c80c0698d727d9154aa3863a18155d12d32e35869ccc051d017dab7a6c6c9ebe8ff86009f98fa3fb92ccba3a56e14559e44a6951c",
    "signer": "0x1DC0bbbbdC8cA16893A70086489289a6C215a20C",
    "userId": "206250259"
  }
}