{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xc0d84809d2160cf15074128723a1e476074990ef7e8a7a939950fe3246065406",
    "signature": "0xbc9f89ded9ba48fdc3636e705f3f173e255056283b2d1391cd7a914efce7547b4c738b8b2ba4dc9f0c79a88c98908bd8e0634cc2b7e15a83a3275e6ec184a18d1c",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}