{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdfd0ffb64c462fa6e0f1730bb3430e2ff3905e11240950214625469af931fc33",
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}