{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e75d1d1168759421911a529a46a270f81164ec0559e16d153bab195ab51440f",
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}