{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x26c0769bd2b04edb96a67b31c7621f09fba10e1e1bbca932ede825fdc72c1dec",
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}