{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385323",
    "entityType": "User",
    "nonce": "0x702d855c245d583e44c24f1eed9f42aca467efb40387f262a9c75f402fe9e7d1",
    "signature": "0xde328aa48b42da0fe02f934f3a2a51e25319e4a1c30d43afcdf92bedea491e7c6b59614bc7ecf80cb5bad14bdda4c0243e8d1f19e653b3c4eea87da71d39a94c1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}