{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0201c688e30091dea04dd637c4fe63ef33e76fa4bbb629bb48dcca3d8759c7de",
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}