{
  "manageEntity": {
    "action": "Create",
    "entityId": "1776651103",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1776651103,\"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": "0xd4c489db413bf98e6899dc40440548c0f0c5d6c68835a8f1d4a417d1a0a047ba",
    "signature": "0x1a09e945ea2d3fc2035a9a65f657b63398bb56b8761d75e73a016732cd215cb20da99d831a4e11d27aa93fa20b229bf88795a011a197fbcaf9456d3b7b4dcea31b",
    "signer": "0x49A438454131D4e8F2A2547287Fc46167b168F47",
    "userId": "199516921"
  }
}