{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x120f362c3a7e14d05de495475e1fae0c2ffa05669dfbf11175eac844e63df282",
    "signature": "0xfb459f22aaab693df4ad32e1fed683515efeb2cb59f59d9b0213d6066e9312874e81e90505df0959fc30e181f3508f964230da5fa063182de936afe0c99bbf501c",
    "signer": "0x95ee1C6815A731436D75209f6bF0d60DE938567E",
    "userId": "63707831"
  }
}