{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb19870f131af8dc95a0e653ad14ff86c9e1218fe93950c596bfe8ee234126500",
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}