{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc416b1cb80e1c44589afb49b446a44b666a8b665e56afdfcbe5bca9b8361cc68",
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}