{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2a9d1feb42df98bcb48ba0203fd42141d6a638a847538c7712ecc0b23352138a",
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}