{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0a9ac5d4f42a5413c04be76cf4a36225f6765fefbb60686d0ea5172c0a9e6727",
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}