{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xce9a29e9e2a0764e5d36dda0613de7e99ea65d99c3746933e24fe95991a38290",
    "signature": "0xad2ce758c0a04e6b0734f5d536e98aa8a4484ffee6f3af92566f7e0bf512ecf26d87fc26a65da1a4557377e9bca9f08de47fefee9c0d195eb221d024eae6869a1b",
    "signer": "0x358e78d2E30191CeD0A0FCbf380431645ab3Dc1d",
    "userId": "827836038"
  }
}