{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x7955e2dfc7b4082f878423a1e8d1708414777375e84d73509bbdaaf0dc06df7e",
    "signature": "0x27d31db93c777d9201c89b6a292a27d2714d76c744553dcb68f852b70a3e609c0bd95e4356c2925424add8a441dcf576fcd49a6bd50ab46dbb3b73d92fd3456a1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}