{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0aaf4dceb70209e2f94eca5d429c8ce5d2262302bcdfb7832d3e7cc67173df91",
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}