{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89edc2b51259251b0a8d3daaf1536b1f566f28326fa8ef6400418b29e64fcde2",
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}