{
  "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},{\"timestamp\":0,\"metadata_timestamp\":1788342929,\"track_id\":1134548176}]}}",
    "nonce": "0x888d95683e28e8c7083dfe5bbe86917dc5e5dacfcd7db5f27ed2a95f3fddb1b5",
    "signature": "0xfe018e32be20e6bff269809773b5b54b8d44f550608a22df498d0a3a840738216ecd5f9eeb16ac7cb47c9e1bb08a6b17cad9e14b78f44c2a42f7f23f781bd4f11b",
    "signer": "0xb5c767030e9D6cB1813Bd99342D3ab8eF81cE393",
    "userId": "345461669"
  }
}