{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7c59a881038d327697d742f842f01a8d06073e009dbdf25e9cd0289c20ae5e7e",
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}