{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x375a7c135ca7ff9145419fb1fb257096ba2a32fcc329fd179114ee4922591159",
    "signature": "0xa6194424b73a78e7f76ed615e583bd7f7fdcb1f86c0d69243e26a1ae794473aa41da4a14a9a7102c5016206228c7d1445076497281ae495717a006aabae363041c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}