{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6efc92663d6e4f43c5c91e9c28463afc8ff8f08e8e97b5f332673cc67c5725ed",
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}