{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc2e068a3c95bf9698bff8f1af94a43e5e4ac1d7c229a7c6c1d9db2baf97f9576",
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}