How to use the react-native-sodium.crypto_box_easy function in react-native-sodium

0xf0,0xa0,0x89,0xbc,0x76,0x89,0x70,0x40,0xe0,0x82,0xf9,0x37,0x76,0x38,0x48,0x64,
      0x5e,0x07,0x05]))

    const c =  Base64.fromByteArray(new Uint8Array([
      0xf3,0xff,0xc7,0x70,0x3f,0x94,0x00,0xe5,0x2a,0x7d,0xfb,0x4b,0x3d,0x33,0x05,0xd9,
      0x8e,0x99,0x3b,0x9f,0x48,0x68,0x12,0x73,0xc2,0x96,0x50,0xba,0x32,0xfc,0x76,0xce,
      0x48,0x33,0x2e,0xa7,0x16,0x4d,0x96,0xa4,0x47,0x6f,0xb8,0xc5,0x31,0xa1,0x18,0x6a,
      0xc0,0xdf,0xc1,0x7c,0x98,0xdc,0xe8,0x7b,0x4d,0xa7,0xf0,0x11,0xec,0x48,0xc9,0x72,
      0x71,0xd2,0xc2,0x0f,0x9b,0x92,0x8f,0xe2,0x27,0x0d,0x6f,0xb8,0x63,0xd5,0x17,0x38,
      0xb4,0x8e,0xee,0xe3,0x14,0xa7,0xcc,0x8a,0xb9,0x32,0x16,0x45,0x48,0xe5,0x26,0xae,
      0x90,0x22,0x43,0x68,0x51,0x7a,0xcf,0xea,0xbd,0x6b,0xb3,0x73,0x2b,0xc0,0xe9,0xda,
      0x99,0x83,0x2b,0x61,0xca,0x01,0xb6,0xde,0x56,0x24,0x4a,0x9e,0x88,0xd5,0xf9,0xb3,
      0x79,0x73,0xf6,0x22,0xa4,0x3d,0x14,0xa6,0x59,0x9b,0x1f,0x65,0x4c,0xb4,0x5a,0x74,
      0xe3,0x55,0xa5]))

      Sodium.crypto_box_easy(m,nonce,bobpk,alicesk).then((cc) => {
        Sodium.crypto_box_open_easy(cc,nonce,alicepk,bobsk).then((mm) => {
          this.setState({crypto_box2:(c === cc && m === mm)})
        })
      })
  };

]).then(([n,m]) =>
             Sodium.crypto_box_easy(m,n,bob.pk,alice.sk)
              .then((c) => Sodium.crypto_box_open_easy(c,n,alice.pk,bob.sk))
              .then((mm) => mm === m))
        )