{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2cdbd6ce9f8359f22f1064a132b2385cb510254dbb740bf517c5520b446f3988",
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}