{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e0be8aa107c17838f13c579e9c45d8e1ac2bb97d5c52acfc3743b877d22cf96",
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}