{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe6e370d5ab60e10e1044363b06b061cb5da8ed1039a61514b11af2bd0659117a",
    "signature": "0x4929125ddb2098a7fc6ecbbb2f34f483e4c15ac14cbd2e1513ee672d79870b41289f4103b82db77b376387e7d5dbbef24fe7ece269a852874a5564e1c87b1d241c",
    "signer": "0x298Dc0a1B7cD6Fae236928e31663981cFe3f6F69",
    "userId": "496313357"
  }
}