{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334242",
    "entityType": "User",
    "nonce": "0x65d9b4f656fdfd525a1fe69052632b3b8b94873a972f9d290e8d950376e464bf",
    "signature": "0x307de21efc508e24f86daff2f1157bdc9aa0bfc58f22fb816fe91cfc430bfefc3cb01f368cc46c6134b7184eafad13c2ccf263f978019a51b616a3fa4d956aa71b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}