{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x14a53d64148a1045f837e0d7310841ae5161e7a36c1ce28e522a326a4f4acc1e",
    "signature": "0xba109599a4e59a3c9fcc83bcb02c656d7189d3e8d7ec822f497c4002a9492c6e1e9e32253e204a8bc0e4bcc127ef65faf53bae2daf05fafd3066aed183dc05541b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}