{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x566cdc8df507e28076a2d96e3dac9819fbf34d008327091f42dc0ede96b0e282",
    "signature": "0x4ebc22f9f0f432fb878c0543ff4e82ead80db8a5880b3b8ad1ef26266c200c4b14fb30a55f80ae31afea889132232e471674450453f64c39ab5f082794441e961b",
    "signer": "0xD6b69b153d028810DaE9d240FdFa714d984F1D2d",
    "userId": "398213410"
  }
}