{
  "manageEntity": {
    "action": "Create",
    "entityId": "1222437636",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1222437636,\"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": "0x9e639f60e07cd37d5d461e6a146071cdaa6884028bea2f9593f8bc0000c4ac2b",
    "signature": "0x3c7b64c07c511e4d691400ea1ca2b9472349bb9272ea0e296f493fcd6e079b7d7cef0cd52563cd5fcc49adf3a1ea9d7bfdf6a9c85670d8afbe07b1496dfe5ed31c",
    "signer": "0x17CE5D994FEe18D1F39F4630ba8272c2a103fBB6",
    "userId": "807696503"
  }
}