{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc1b209a2f75fb56d3ce48e501f3bb210ae70b6d368e81328e93ff8f24e25cc43",
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}