{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9a5aa0a02a79b2d11f686cc7e28489e236b20a91d310828159fe910df410a11a",
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}