{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd09d836249ed62c949b37e79e818a0e745c68f306b9732f92bbb2851641c642e",
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}