{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153734",
    "entityType": "User",
    "nonce": "0x4cce31bd481e5c5b1eaa6cc4d22e8aac59a29f264b1b7136056ce1cf3692d215",
    "signature": "0x61c9a1460ae5fa17ef1b875a879cdb1b41932d102d4036fee0ac48013f0e7463659e79b55432cc332aa3c509a9641b1b4b1a292b25537037efe326f6c985bd061c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}