{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x651f482c96ca76eb3b33986b05c6c500d45bd3007585d62452d37b07c7f0cea9",
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}