{
  "manageEntity": {
    "action": "Update",
    "entityId": "930230046",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"Amphoteric describes a substance capable of reacting as both an acid and a base. These dual-purpose molecules can either donate or accept protons (or electrons), depending entirely on the chemical environment and what they are reacting with.\",\"playlist_name\":\"amphoteric series\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsecldxxcgxr67kpabm7lzcucn7eyvzpgg32xlb76xpzi6n77galbtm\",\"release_date\":\"2026-05-28T04:20:35.000Z\",\"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\":1779942135,\"track_id\":818147010},{\"timestamp\":0,\"metadata_timestamp\":1779942139,\"track_id\":1276153986},{\"timestamp\":0,\"metadata_timestamp\":1779942145,\"track_id\":1499469922},{\"timestamp\":0,\"metadata_timestamp\":1779942150,\"track_id\":1480654334}]}}",
    "nonce": "0x49a82db4cd74db0c3f50dd6916e755ee643dfc6545afeaa6a1241f2d45dd66cb",
    "signature": "0x87f13ec214feea3de59fb4fa3e2d5a371d61c2620d9cd2709416f6de689705a910c371a1a029195945d45ad91e7aedf4527fdffa4248b822ab17751bfe75a2c01b",
    "signer": "0xAC430B714713c2b2A31220a079e809a83d5c31F9",
    "userId": "354084967"
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}