{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x353f3f390ae55f6cc6ba0fc54c331178a63b0a0cb236489ff1a0b9452137f4e9",
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}