{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x9bc3f5d387c4993f8ed0a7d83b514bb831ad256263aeec1736ca5f05929b16a7",
    "signature": "0x20f473cd1e6e499e853ef66923664aa54e116556103a8ffd78bbfca4455b9217153085ebed1eafe107875b576e7e89f67ef0ce3ac78e1429b76101d68cbad36e1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}