{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205511",
    "entityType": "User",
    "nonce": "0x5f8725c28d72e286b066d793eef3bc5421cf62419c207f72782b875e4f43224c",
    "signature": "0xbdb62b43cd3c02d2b279bcc115cf9ab849d7491fd7197debcd8799e710945e3a0e666b83f1a21bd091e76f98bb707a7259a9ca842d80207a1a5a27431eb4320f1b",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}