{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5aba3ba4d7a5bbfee9a8bbedc42899612f3960963a48510ef1523e42dad7642a",
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}