{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfc8ff100266593ea4939ca1ab0b695d2d6c7e63b63b59cc23a51dfda673268c4",
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}