{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c0e7daab822638bf7f0e188dda9bae8a52510f6fef02255ce68060f9c2b3802",
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}