{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9cc6bdea31ad2ab35c13b3f90810c0287063f522a47dffcba2e8654fd32de9af",
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}