{
  "manageEntity": {
    "action": "Create",
    "entityId": "997668306",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":997668306,\"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": "0x6cc540367767e718cce490085b7b2dc371af1b94c1e9de9d07e7c3c73b1c08d6",
    "signature": "0x766e2c49eb2b790a492b060987547f932c174279cd6cf106b9592113661bb35455503a2e921541d27af77ba50643df28c8eab6c1b0f64f5829a115f818737c791c",
    "signer": "0xA8DBD6c3a086D24BBe629671ecd91611166F8388",
    "userId": "199243304"
  }
}