{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x734474a6c4f1b04e532c1b36ec3a1295b6b82cdb53b95f5983fbb555b4a04b6a",
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}