{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2910afe67e11f832500b307904c751c720fc543c0a6906b8d3c149a1ff0466cd",
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}