{
  "manageEntity": {
    "action": "Create",
    "entityId": "616888400",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":616888400,\"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": "0xac29a2ba81b8a8e57e9fc06d58507ada07b46367f1cfd1101de643820cde684f",
    "signature": "0x0a5ecfef871c4ee7cf0b05af1205a6a33db5e0c36f57bf21f3e581406a22fca418f5a635df3ed528c84652ae2f61b0108003a0d45ff4ad00f671d0b4cfbe98261c",
    "signer": "0x70010B807d0a8025beb2760e9C7e0f599a7dcE01",
    "userId": "371148878"
  }
}