{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9156138ab95a281bf219b76bc2bfade7eb4ac50cd875a6a6a055cd3360fdb402",
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}