{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe069742f3edb103cc49a41afb49841574c8406bbbd2c8996a5a180080e882714",
    "signature": "0x367408b1f8c15640febe1f92f4971cb4e7b6186c00bcb90c908bfc5078b1981163d6ebfa0e9117ace7d5e73fda201ac29345713a4282bec100ea86c764754d7f1b",
    "signer": "0x62Ad6418d914C44Db6B338b2d085FfC91b4ecDE0",
    "userId": "829278413"
  }
}