{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9337c3f7316cdaf8f96e8f6b2d1e190125ea0b10c063aeb5f255ceca0217bb39",
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}