{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1584b5d8ac17180859a19ae58b48324d511a9f36701f5de534d026427bbf1d02",
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}