Fabians-MacBook-Pro:Wallet-SC fab$ truffle migrate --from 3 --to 3  --network rinkeby_fabNode
Using network 'rinkeby_fabNode'.

Running migration: 3_deploy_WalletHelper_and_Vault.js
rinkeby_fabNode
  Deploying WalletHelper...
  ... 0xf92c4ebcab01b962f9ea10030a4cdeab0af7f3b3896a1e7c54ea1d346179c10c
  WalletHelper: 0x41f089df8715f79ac7dc3165523c7c8aace7480d
  Linking WalletHelper to Vault
Saving successful migration to network...
  Deploying Vault...
  ... 0x129e3b0b695fb0b5de8e483d0682672b4cf79936cdd2108ba919c62da2fbda3e
  ... 0xe324bc809301000f43ba051d64f8be97a9876be4bd459219cae71a6d6c5ad473
Saving artifacts...
(node:77029) UnhandledPromiseRejectionWarning: Error: Contract transaction couldn't be found after 50 blocks
    at /usr/local/lib/node_modules/truffle/build/webpack:/~/web3/lib/web3/contract.js:112:1