{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f9f8b14b4b251d75b9c087037728a51018b1e537d52439f400a9bad5a09303f",
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}