{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf2588a4a5b7bd1a5a8348b89612e42b49b9a497e49e3fca39c014e4b45d324f2",
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}