{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "564972256",
    "entityType": "User",
    "nonce": "0xaf184e2a0578cbe7e038debfbf60f1debaba57f896ee38d655d07ff34f62206e",
    "signature": "0x472ff8ba450cc72dd0520b608b2a6fa9a6ea286e464baab377e166c2fa03848736be0569768ccff5d2719812ac2ffc4ee10570a4f10cfd84bb2e3745db43c2441c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}