{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf1681546a66a9b88bd1639baeac1e31e10a63ab18e167e36511eeb662e4dbb3a",
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}