{
  "manageEntity": {
    "action": "Create",
    "entityId": "1778715751",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1778715751,\"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": "0xef076238b52869e5edecb299aef8f1ae0437615ae5529e290a1776e21e1d43e7",
    "signature": "0xc4267d2edc6107f44a67b4ac7387f5c9183600facb7bbaa550ad10b1e9e2b80b7fe075d6c97b2c09b5304c28ce9862d847fb955fe87c65ad208b6bc95d9ec5b61b",
    "signer": "0x042d6751bB8a4D636e93Dd32142A27AB375fc4aa",
    "userId": "480690360"
  }
}