{
  "manageEntity": {
    "action": "Create",
    "entityId": "1133807483",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"release_date\":\"2019-07-11T00:00:00.000Z\",\"ddex_release_ids\":{\"icpn\":\"7300342771280\",\"proprietary_id\":\"a7ab0084-3112-498d-a104-e4bf3d813106\"},\"ddex_app\":\"0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f\",\"upc\":\"7300342771280\",\"artists\":[{\"name\":\"Space Leopard\",\"roles\":[\"MainArtist\"]}],\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":\"NotExplicit\",\"genre\":\"Electronic\",\"playlist_name\":\"Symbiote\",\"is_album\":true,\"is_private\":false,\"playlist_contents\":[{\"track_id\":1789536448,\"timestamp\":1780441554},{\"track_id\":449207238,\"timestamp\":1780441554},{\"track_id\":2072049508,\"timestamp\":1780441554},{\"track_id\":815052867,\"timestamp\":1780441554},{\"track_id\":1460954688,\"timestamp\":1780441554}],\"playlist_image_sizes_multihash\":\"01KT59ASBZMDSAMQ85DCCHFYM5\"}}",
    "nonce": "0x623e316bdb0ad1ff9004b24e1cfa5f55aeb8030d82d6128ece4a7838fed82748",
    "signature": "0x7f5908e80a7ca427aeecbb71e4f9b933feb3a31da1fbd5d2af28b3a1d75cc32e232b5403685d39f5f0c31e81cdc940b822f0f893920ebed73273d737f48aff361c",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "445697027"
  }
}