{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386744",
    "entityType": "User",
    "nonce": "0x79e377c0702979902c375613852499da350fabd0bdf2e830de2c16b5fc16bd53",
    "signature": "0x2042bfdf22ffb35e013dcca72e51cd00537dc8a0cbc60d479f174ef4f64f71ad6ccd06e4cf1de1083b6f5360dbe2397bfa4bbbf06d52991b79eb6ec7cf0291c71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}