{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1f28ed31f56b63a12b47ac0efcb05754613a85c398946f2c144a773569a09d9e",
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}