{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4966",
    "entityType": "User",
    "nonce": "0x84952ba1824b654b1f8948f763ecb827b53995b8570b9cabb90f212482033339",
    "signature": "0xcb24308d0bebc8ec209dac7f53352344305a9e1c238c816c924c22844630494078833d0cbe49c1844695c8ea8680f5ac5f4dad60a2f1e7c4e7fc86c134851b4c1c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}