{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf6e296664514a51c4b9e0112480f1e62b20abfcf63cd457756ad0a6379da8c13",
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}