{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1b9f565b154bc77ae0f865a2ef85fe9fc397abaa789c3defc8bb6b3dad0b3f03",
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}