{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3837",
    "entityType": "User",
    "nonce": "0x36e663dfd98f406665a221403cef577b0fdb1a0a139ed9edd938f877f5933942",
    "signature": "0x10c61ce7d2996b6cdf69651cb921a376690df664bcf2b8d1145f5665fc8e7177678b34ea41572fcbc0eff746f140bd1f4027cd160d8eef10d6ec1fdf625b83081b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}