{
  "manageEntity": {
    "action": "Update",
    "entityId": "1622462337",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"playlist 1\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsecvjak3czzpcq4hcg47g43nmviiantufpxy2izq4avj3vvlp7jl4u\",\"release_date\":\"2026-09-02T09:52:01.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1788342922,\"track_id\":2043518222}]}}",
    "nonce": "0xc05ad22982a2651c96021f386c4767bd60d119fd4d25c2d7f7eda032b99181e8",
    "signature": "0xc58f7622fede834e590c4293162eedb2fc9375a9f57374e8ae4783783ee747f6741147d7f713a773ccae4de993d26ccbb3fffe15ecc0465d2445c744460613d11c",
    "signer": "0xb5c767030e9D6cB1813Bd99342D3ab8eF81cE393",
    "userId": "345461669"
  }
}