{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5b3a04f06a53a034a9496f9a1402111572e4cbc111b2f2ba8d83dccf0d79b49e",
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}