{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x43f463403966ae6ae202e1de1d8d7fad7bed51b84f3b75dc03777920d5c34ceb",
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}