{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde1b4c8f85934df3f2b38aba3472d1b6b27a814a293ec664b78b0910b9d8dc07",
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}