{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdcefa186b5fead772fcc019726584ff1f12040cf0da7ed0c6524d8f10d7a70d6",
    "signature": "0x279e33e4ff1b3647b448ba4b3b8bf613381df95fb3ab1d10c0b2f224a62708135b571f306bc7b0c6e6d99f63f5be134f3547fccf8bc0f7b946a76474504260df1b",
    "signer": "0x928a954E2941D941Dc0EE0E96A587e610Ee4255B",
    "userId": "952500739"
  }
}