{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe268a7030bafd9e1ca082a8a30b807a49f9c2905bffdd30886c8e4c6f1f386a0",
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}