{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59514",
    "entityType": "User",
    "nonce": "0x00749bdf8e731a562ad1b4864653902900bcf68e5e03a40658f070b2dd77cf52",
    "signature": "0x0ccdc0277373ca0770cb71ad95a385ae7a17e7191add71694bd3f26d5b72ae7115c2132cbd9c5d0805f1e35c2aceda3af3642444dd283ec27432711cbc13db021b",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}