{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x16f0db48846cb22566dccb291a1920a59c43c2a827207f7c0917a950dee9e3f4",
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}