{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x165571bb18285caa77580624e53dfcfb90950e319c305a902b89ee1d89ad980d",
    "signature": "0x8d2d05c8725e915c6a6a9a6ffa68a5f7738e8c0f63adf8e40e417cee3909473b587b3bcaf5227d330efab341162139f459483c8ba89b5a2e09f8eaafdebe41a71b",
    "signer": "0xeaaDc07FFf26B9dF9a0Cc8A67863E2cc0E17954A",
    "userId": "123504761"
  }
}