{
  "manageEntity": {
    "action": "Save",
    "entityId": "1867129535",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x75dc7d1267f3d56cc32206e94a878471d4358084de1dec79b0db00b9b713f1d1",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
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}