{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8786d7e9bca722faaa932a2407d94be46eb4a8191e2b8c8904665f4065b04ad6",
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}