{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "263388",
    "entityType": "User",
    "nonce": "0xff6ee4824b4460a51c24e12be8f8b7c2e239663bc426152430995fe9da8c7eb4",
    "signature": "0x70694ea603229358dc237777173eb2b8f33929a398e91b9bf93a46276ab30231415bdd99f9831f3e5ca20b47d41656ebe67a5e0af6b71dbe78095f814a6f7e5f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}