{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x27479e29a3a58a8d9985e055c5d1252ebe16c3896cead373ea36b03947bb4fc1",
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}