{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96cee6fc7397f3c454e6d542ffc39b4bd51fc098d9ce9745230b5a03f7f91c8e",
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}