{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xabdcb719c8687a1e8663a7f53c3931198fbf5aca8d8009b494f026f5feab32cb",
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}