{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x86ab2418c8b4f1d603435ddc1559d4aad9714fc46872134460bce168803e569d",
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    "userId": "354908"
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}