{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc097fdc12f48b492f1520dfa2f66c4d3afca95b03c18a2163c2925acc99ac2f",
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}