{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x778dba76f231c8989b8b80a37961c0c8c7ebdf75b9cb93ca7e41b5b0edad583b",
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}