{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc5c66f9ddd62ec3de72b1ad54e168c05633e9ec86c23e9803cf58ae2657f104d",
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}