{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0xff6f155d86524cc36e03850092e34a988323f3b3985852b8dd446aafe0beb7d3",
    "signature": "0x1027daad40b6426220fa5c3d0ad7707c4c93815dbca68f177480312750e12a3e040b141e4f959ba06b2f5f5eceb106637af68df5b684ef4c165af888bfab85c41c",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}