{
  "manageEntity": {
    "action": "Create",
    "entityId": "500908781",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":500908781,\"description\":\"\",\"playlist_name\":\"ETERNAL GROOVE\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsed4pwow2he7jozueyh7mnu4uooleuq4yhlobkkr6e53lsf4untf4o\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x5654422273926f5624ccd9685d828673e3044a501aeb308845e6e8a7551f395a",
    "signature": "0x4bba2b0ca27db50e0c07d609f55d89048eb7c0a7ab721daa066598bf9776203767909080926c64f0122115535dd5dc21050a091bacbdaf2d937088e473155bff1b",
    "signer": "0x785827b46Ba89D1Dd7457b813Aa0BD731c67F689",
    "userId": "184353"
  }
}