{
  "manageEntity": {
    "action": "Update",
    "entityId": "264482111",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Ironfang Invasion\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xd144ad27a2a253e776013e1253b06612261e54ca135edb5b72b00a4d6019d0da",
    "signature": "0x0463d7281c42a2c8f2c9680108159079db2ad8988acabf4eff4734265c0bd5ba593d0809e41475a67d0ad5b0b5e4d49b721b09c1c9b665d65aaa24a721f47f2e1c",
    "signer": "0xe40c39BfF751e8FB62fdf2D5Daf335da9CE9bB7d",
    "userId": "223054868"
  }
}