{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286244976",
    "entityType": "User",
    "nonce": "0x6cadfcd682f79fc9a6c0072f9b6f8db06ced110088a5bb16f3b17d32c94627cc",
    "signature": "0x783dbd6c7f3f1afdf3449fa50a6c8a9a6dd449eabea09659e0609f2d1c5a5e3d0d23bb99c1ecaea6c0acf9f9102f646d183e4b89b626f7db0cdc6d4b7a83b4341b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}