{
  "manageEntity": {
    "action": "Create",
    "entityId": "63873710",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":63873710,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x75fe403e89415ea4044513c06d10692c206bae594da9aaf262f58660f55bc794",
    "signature": "0x4e49c0d9059cde85723dcb2d6d87a65d19bee06854cb3afea2b27c990f842798528d443d02d141beb9a18b59a99f71c5d009458a9f2e43d28101d6cbc1cf1eed1c",
    "signer": "0x4b402dCD6745d20b1A6e12626A6E2b97c8652E37",
    "userId": "325554867"
  }
}