{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xddf5ff31aa71d1f5e245d0a662e809df3d584f65b3535a999ea1aa4557c1f9fa",
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}