{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xddba301ea6a66a9e6d0c1123cd0a3a8d0d6d7577431d65977432667618a90ac2",
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}