{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x64c710741be77a46a35f3c98e3a7e661ab1222aad8be317a2f0cf3ba58a2b1ec",
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}