{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6a84dae8c4c8f3dec9be8ebe1b8731bb6ee7c4b86601fabbea15adb5abd4ce60",
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}