{
  "manageEntity": {
    "action": "Update",
    "entityId": "785235111",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"(2026 생일) 내 안의 햇살 Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseaqxz6aniwm2kywgxpcrjtur7abagltqn6yugyx4zyrldabmnaiwq\",\"release_date\":\"2026-10-24T09:56:43.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x7c3a7745f94e5d1b3d2c5227c2ceeaf93057857f40690664799aec4fb5ae961a",
    "signature": "0xb90825e75d90ecdd303506e14f4ce4aa90a6d3e4ddb245e9bf7169fd6d8a551b78b6df4eb6699c300538dc5140e582e99d7d13a940d21dba5f14d055972b9d2d1b",
    "signer": "0x6B231EC2026efB1974A26e345776a40EA749145D",
    "userId": "990968091"
  }
}