{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2ad79925a4a4380059432856c3b16ac291dcc45fbd5e62689e8ec36f2e7c2e10",
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}