{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96a63faa838d74a098274fa5bbd10c0dc0a2249eb02dba4429286111d13ab01b",
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}