{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9422c9ae249d248ce62cdfcf64ae05a8a35fa0e2f2f09f70ff491929696fdf2c",
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}