{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x49a18de34e6477e590ed06944cc71848ef3ebe422a0986c860cad20d06afb00e",
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}