{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xedcb4260076aa5378a84048d50732ba192e941de928d45a3e800d6a1b0a7e135",
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}