{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xce1f408f7fa2a78e132a92855d56a4ba94d8f5cae1df4149abc5c5fd92b41a84",
    "signature": "0xaf985da0d95379de64244f173d03aef7a567f044fb4405ea7d9f832d08c7163b23597917a7a8ad9f0d75156b62e97e1867519bedbdc04b0d81b8f61b86c2caee1c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}