{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe4dc1211753ba80b82b33254dbf34175e94bc40f1fa674d1c210b1eb187a9368",
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}