{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0xe4d5a04aa5f7a5ec746574e7e71629368570e90746a12df3b546aa662550f188",
    "signature": "0x8e50931b7ae021740fe3eaa7646bfcb496b19f36f7647038cb557356b600eeba4bf5a03ce83db3f321cbdda87a9ac6087ea96293167bac442d4f28e3150b57a51c",
    "signer": "0x26C26aeE7DcE9D0D7E6674aC7fC760353a934626",
    "userId": "149884437"
  }
}