{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x44c216b63f523209b4ce62da6140a3bf2504e0aa7858896f9baeb2d533256134",
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}