{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x845f434c7cf5113424ccc99505b601c78ab6ea8c6178b1fe2d95b5e7d9d9aeae",
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}