{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x195d7927aaa2e7c7d2e6d8bc3ccebfba6a3fe0d707a1c1cca68873a9c0b9ca7f",
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    "userId": "941560326"
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}