{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04697428a598320073b66e0512cc13501c78ff7d2966910bc6fb3202d8e53c06",
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  }
}