{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x75b6d2ceb9b448bf288992ac62c1c5495257ed4acbd19baff46013e0c2901c32",
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}