{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x15f434092b23aaa8e4a305dc25bf8178fe085ba46ab35ede8d8a5c4322e8b6bd",
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}