{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x56ee61fb73c6ccb0aefed9bb70e6b82d6e4ba8e637fff08e34cb3ddfa49e35dd",
    "signature": "0xecf8404d63337f4f3b0dd5cc372bf42d26452cd567ba4fae25817787e87a83421cb3104d9ac6f9843e512712b826cff4e635de98122ce97dd0e3343e1df255b91b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}