{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdfacc1ac33601bcb0346d5362f4a3ccfa28b0ba6dd3aa93c185c88a2714dfe1f",
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}