{
  "manageEntity": {
    "action": "Create",
    "entityId": "170390060",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":170390060,\"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": "0x6fbb8c5e7921265a3bd819547a94e7ae9059379179366053db97a9c2d255a737",
    "signature": "0xea20072cb971154ef79a040cbb3495883b37e1a5cc23c2a28baedb0b058f8c18283fbf28af231d75b8c2b577506b68ac3569dbddfe6a38267762086bb36698ca1b",
    "signer": "0xe7dEcB818fCe078fcBE1bDD38AfdE42155dd2CF0",
    "userId": "395698740"
  }
}