{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73195",
    "entityType": "User",
    "nonce": "0x8e22e4b013160314c9a6340282c46ad0b10b1bb6b4893a04f2f115cff5b1fc0c",
    "signature": "0xfb496b8c7d458cf8a89fd6fce45c7f4660b6d41caa6f2a15a9f1b28af89934465341765171a53922c112f049136c402ab8e0858078685505a57ccffc869b82b81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}