{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3bfceb8e3cfcc864d81a853664c5c9fffe16a05e832b28028aad9e114eb0d881",
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}