{
  "manageEntity": {
    "action": "Update",
    "entityId": "1117144910",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"a\",\"playlist_name\":\"Test\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"QmVxh7p57hraeeiGa2yvRZr3tTYPwswomjHr4rNNDNjYQE\",\"release_date\":\"2026-05-11T12:39:10.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1680767029,\"metadata_timestamp\":1680767012,\"track_id\":1965490771}]}}",
    "nonce": "0x8b1bea6e9c8d3422e3a79bbd0ce6fe3f90f54a714c04d2799a0c0e1dc82f66d5",
    "signature": "0xcd18fef3bb12368841fb87168193df079cbb16e55e5de2c08ba3f749fe5b272f34291f86e79f1acc6453b312b9e99f3f8c1f88a19e128ee70a21e9d88285e25c1b",
    "signer": "0x6F272bE0cf1929131937536d1E57b571a5bEd994",
    "userId": "477662771"
  }
}