{
  "manageEntity": {
    "action": "Create",
    "entityId": "254240448",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":254240448,\"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": "0x619e174bad02d09d5de16182881262604c9d8fe944c91dae02aae42cb0bb7c63",
    "signature": "0x6700f141d3df185ecf17b6d166c42a80467fbc2a7736b8825b17088da681f61749cc25951f20e388b4ceb93d16d4f339f88a356f4b98df62ebbb30e276de2ffe1b",
    "signer": "0x1d009c86Ce1698b37075364c62F7FDD753e86CaD",
    "userId": "155850555"
  }
}