message: chg: event sig param for customPayload function
diff: @@ -12,7 +12,7 @@ const ERC721_TRANSFER_EVENT_SIG = '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c
  const ERC721_WITHDRAW_BATCH_EVENT_SIG = '0xf871896b17e9cb7a64941c62c188a4f5c621b86800e3d15452ece01ce56073df'
  const ERC1155_TRANSFER_SINGLE_EVENT_SIG = '0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62'
  const ERC1155_TRANSFER_BATCH_EVENT_SIG = '0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb'
  -const MESSAGE_SENT_EVENT_SIG = '8c5261668696ce22758910d05bab8f186d6eb247ceac2af2e82c7dc17669b036'
  +const MESSAGE_SENT_EVENT_SIG = '0x8c5261668696ce22758910d05bab8f186d6eb247ceac2af2e82c7dc17669b036'
  const web3 = new Web3()
  const abiCoder: Web3['eth']['abi'] = web3.eth.abi
  @@ -107,8 +107,8 @@ export default class POSRootChainManager extends ContractsBase {
  return rootTunnelContract.methods.receiveMessage(payload)
  }
  - async customPayload(txHash: string) {
  - const payload = await this.exitManager.buildPayloadForExitHermoine(txHash, MESSAGE_SENT_EVENT_SIG)
  + async customPayload(txHash: string, eventSig: string) {
  + const payload = await this.exitManager.buildPayloadForExitHermoine(txHash, eventSig)
  return payload
  }
  