{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb7f36455b6086740ff16cd7491b58a658df42e87138776db09ace89f157a3a61",
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}