{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x47b2f93ded33c19c3b9345e9fb96145f001a7c650b95dafb74636d69d74b91fd",
    "signature": "0x2533b459bd07d4c82dc2b885e2f90d2a0ad8e750720c5084db6d19160178365454a9d51121a08d628bc1a39acee55358ef974f24468b244d6c1523ae93cf033b1c",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}