{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4fb1d6f5fb97b6ea8f0715a26b2a1c4838184570f8c65ca233145e956aa6cbde",
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}