{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x908b1003a377dccb042a463c7715222112061769aa2d7f9861ce6dadc3c6a10c",
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}