{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa9948de7e46724b03cd2088345e34f1e90087a66c662162ca960ed9c0aacef85",
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    "userId": "265918903"
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}