{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7eaead25b69c5b5b13e87142c6276c6b63cd45b6fd995742a984402f32f3c91f",
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}