{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa826bfa8191035f0ed0e8477e34d63f52bec5bc311cd63f306fdec7ac4ac23b8",
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}