{
  "manageEntity": {
    "action": "Create",
    "entityId": "1730167510",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1730167510,\"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": "0x833185356d961cb0e5b4811fefff39a6c8dcf2eb94016cb3b55dd0e2f2f106a6",
    "signature": "0xbc2375f4d53f2d8553ba2284e417e3cfd80d038acea54a20bd194d29e9ea4fba796b7229ae49b3a0b644988661e8b17a34e5a75e1e7746f6716180838b043dec1b",
    "signer": "0x832954BC5c7A0F03Aa47E86a79Fbe03C3b35312e",
    "userId": "210922274"
  }
}