{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x6593711f7d9df20ab8ae351ff4d8f37216994ab0214720f1d0a8784bed6e486e",
    "signature": "0x0830cf0fe25cf3275eed3e5e8610a92b7dda9b85c990f8205188c2a426124dc700ce5b3366a45f974259c8cd4f36433a4acf11c86da2e6e6c2c2e00b2150f5911b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}