{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcc5b9f6dd5fb6c60433982320d1ff8ed16cbefd6fbe8989d1cb0f08fdd0810e3",
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}