{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a40434424b4718ff3c7c9bb0c318f1d1502b08778c93300a9434639bf009b84",
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}