{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1f905c0b2b0e51a4e640269b87f200fd59942b4d937ba0eb9d5e2c4ef2daa410",
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  }
}