{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb6c78bf0330a78703bc50c0a27f2d5d52804cf8bdcc03bb98ca6ef51c3720065",
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}