{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x615820318b8b9f54da8f199b84c13f822039cddd2ce6210f219b64990f0c0974",
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}