{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdce548d2466d9420803a57781ada1308440dd3407b31755019924fed357b5b32",
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    "userId": "32192450"
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}