{
  "manageEntity": {
    "action": "Create",
    "entityId": "1037402573",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1037402573,\"description\":\"\",\"playlist_name\":\"Huono\",\"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": "0x4ada7a521b9a902d2a945b48a14134da1b82e7c9696bd5fc57d13a279e6ba38a",
    "signature": "0x0a4a49040c8a5b43eea0db20f5275bd024f8bc4ed39add61405d4a9fa6422ec645bc1831101bcbfa4d6de6b83afe5d19a7e12216c9ed25ed4376e43ab26ea0721c",
    "signer": "0xAFF62e06569AC60AdAeBdAFa8bCeF118ef615E0E",
    "userId": "392870017"
  }
}