{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x03798d203e7f91af1d18028830a242d6d117ae24d325b3d0a41f4aea795e85aa",
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}