{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x3af7afbc53e2dd97ef3a84996a689334664eaddc85854c01ff200c15bf3c99fa",
    "signature": "0x962f68e19c8221068f8ded33f43ca51b90c2837156710a6c2391930786c90f721ecf27ff5e5688dc1486c2bad38cf9a48dc77ed5852e3c1cb9361ed47199015e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}