{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ee74fe44ae40859d66fcce98e50e5d3493e94078e5aa67df043be2ce1cb6061",
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}