code: def block(self, hash):
          
  
          hash = self._process_value(hash, 'block')
  
          payload = {"hash": hash}
  
          resp = self.call('block', payload)
  
          return json.loads(resp['contents'])
docs: Retrieves a json representation of **block**
  
          :param hash: Hash of block to return representation for
          :type hash: str
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.block(
          ...     hash="000D1BAEC8EC208142C99059B393051BAC8380F9B5A2E6B2489A277D81789F3F"
          ... )
          {
              "account": "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000",
              "work": "0000000000000000",
              "source": "FA5B51D063BADDF345EFD7EF0D3C5FB115C85B1EF4CDE89D8B7DF3EAF60A04A4",
              "representative": "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000",
              "signature": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
              "type": "open"
          }