{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdce33fc43f29fee48a67b2d98bb77b93f5a99324048650e0810b8d9cf1c1b7d9",
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}