{
  "manageEntity": {
    "action": "Update",
    "entityId": "128012",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"All these tracks were made at STUDIO SHH\",\"playlist_name\":\"STUDIO SHH TRACKS\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"QmQkuPFQKVCoQq8s5cWTfiA4ULHt4rG6uyBUrY2YK83wEf\",\"release_date\":\"2022-07-13T15:33:40.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x8ec1be5310461f2d7e1448706512aa4dd76e0cdec7c9d5f26638d64e5c220de6",
    "signature": "0xaea840bc88d47cf62b2efb83a0cbce4838e610cae5b3e4ae0b1b32cf66b5ca105da122b0a0bd2d20785466daa3b115622ed96344d5a4086bb1ca923aa747126d1c",
    "signer": "0xCF47E7CB3c9586Af524169162843becD4ef32033",
    "userId": "124113"
  }
}