example browser not work

Author: TonioMacaronio

Example/web3swiftBrowser/Podfile

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+platform :ios, '12.0'
+
+target 'web3swiftBrowser' do
+  use_frameworks!
+   pod 'web3swift', :path => '../../'
+   pod "WKBridge"
+end

Example/web3swiftBrowser/Podfile.lock

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+PODS:
+  - BigInt (4.0.0)
+  - CryptoSwift (1.0.0)
+  - PromiseKit (6.8.5):
+    - PromiseKit/CorePromise (= 6.8.5)
+    - PromiseKit/Foundation (= 6.8.5)
+    - PromiseKit/UIKit (= 6.8.5)
+  - PromiseKit/CorePromise (6.8.5)
+  - PromiseKit/Foundation (6.8.5):
+    - PromiseKit/CorePromise
+  - PromiseKit/UIKit (6.8.5):
+    - PromiseKit/CorePromise
+  - secp256k1.c (0.1.2)
+  - Starscream (3.1.1)
+  - web3swift (2.2.1):
+    - BigInt (~> 4.0)
+    - CryptoSwift (~> 1.0.0)
+    - PromiseKit (~> 6.8.4)
+    - secp256k1.c (~> 0.1)
+    - Starscream (~> 3.1.0)
+  - WKBridge (0.2.4)
+
+DEPENDENCIES:
+  - web3swift (from `../../`)
+  - WKBridge
+
+SPEC REPOS:
+  trunk:
+    - BigInt
+    - CryptoSwift
+    - PromiseKit
+    - secp256k1.c
+    - Starscream
+    - WKBridge
+
+EXTERNAL SOURCES:
+  web3swift:
+    :path: "../../"
+
+SPEC CHECKSUMS:
+  BigInt: 2aad1a9942dc932ec8b84290d2c564a3d76f97ab
+  CryptoSwift: d81eeaa59dc5a8d03720fe919a6fd07b51f7439f
+  PromiseKit: 9616b0afef31eae56ab9ce044c8ec2b8612a15cd
+  secp256k1.c: db47b726585d80f027423682eb369729e61b3b20
+  Starscream: 4bb2f9942274833f7b4d296a55504dcfc7edb7b0
+  web3swift: d79140b9d5fdd06a377072936b086bb7ae187157
+  WKBridge: 677fc36b9a9e4a80b6f9c4e915480d8fd91f5ad5
+
+PODFILE CHECKSUM: ed17f63e9fc4feec3b3d9d88971f86da22d55a1f
+
+COCOAPODS: 1.8.4