{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x81e04fd91bab5246f25b2218d339e3020a07a6bbc0ad251c402d704c10365ad6",
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    "userId": "46191477"
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}