{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x584d39827ee3c46946e968abbac07f7442acbac756e9b5767ac128c6ccfa78b8",
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}