{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcc9c59815aeaf08e2d257e686dadd48338298acdff7aa2bcd4290947b4272c2e",
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}