{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x621bcaca0330465ac87a0d76494dfd39e85442e96b2b801928fa3681f829fd5c",
    "signature": "0x96fba8946f0e5562940b00863c7983f282eff67bf7e8d3b07ab2ff4e5bfb6a0738bc1d71a55d32a1626e1d9b280e50bf7e9b36efe2bc38fa097ec460bd6b9b881b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}