{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7728fdb4d2c50ac591b3657e4144aca815d6dbdba3b05f917f349d322a1fd7a2",
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}