{
  "manageEntity": {
    "action": "Save",
    "entityId": "552243469",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd2b4053683f1baaf67088d7e7481c573dc8ee8c13c4a8d8e6f61fb3187e5b091",
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}