{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x073c4d9bfb7890870a046743692936c76edc14e2d6476b1d3ddab32c3f9eab8a",
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}