{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1fb1254246a665e27ad3038546dc3d2fd3ad5e4b44270370e746826bbdebfe61",
    "signature": "0xae7da7e2a0ce11789e6fdaa8c231c875e6c0c307e329caf79b5c243390fde5b84f4cab404cc74b624373273c24bd6d066463e29a1cdac67421fe92be842eabf01c",
    "signer": "0x9A102d0d0C676D1154Da9Fd844Ab4A80355e7460",
    "userId": "778564158"
  }
}