{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x45e02e710392b39d39b515afb2c2356f22dbcf64f4cf8ea63ada80ffee1e1d1d",
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}