{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x79a5edf570d97cc257369c0e515f3a9a2035771ca027ee401f10d9dc8fd65d67",
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}