{
  "manageEntity": {
    "action": "Create",
    "entityId": "256714627",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":256714627,\"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": "0x2ab1f62353a65f8c208bd6a1f4545deb396485495b06c8694629ae0d637f1213",
    "signature": "0x8bd19bc42df7f7e108a0f8bc64cd6bc17589f62459d9d39a085dd87454d638c666a85331d78c25916ba2a7a6a32fec680e73f1d6331b453a5a7cd00719ff0eed1b",
    "signer": "0x66d75f07a3BE164a63eA5c7c5203Fc3403b20106",
    "userId": "804347636"
  }
}