{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x19d748a449601a78374fc67183170cf0c2b38e87b21a6676c78929e458513d60",
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}