{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x88f344aeb604875f5c5a3b9a18d74c63689f41337bfe281c0d62ccac5974bf03",
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}