{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbd250131c58a405fb439418a2b774461fe31c072b40a5a2ad0e85b18097f3d36",
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}