{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3275bdc6e8f1cab5569bc54205827058ce02cb38256d774d0104f3c7e0e9303",
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}