{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9087134616c4eee2f57152ee61d280884e0b4f9b0d9223dafc0fab6d071c2ac4",
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}