{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980401",
    "entityType": "User",
    "nonce": "0x0ade472aa3a7f3f6859ab6c4cd25cf2e2c915e26805b99aef60e7bbcdcf5809d",
    "signature": "0x5ce5e32fda8954a2eeaa978124fd3f21b74f67ea8fc9e04bab295195ef4f16380d72ec5a281822858bb2194cd4f8e6a39d44b6e3d1d23a239de9c4fdc836d06d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}