docs: def from_signed_raw(cls: Type[RevocationType], signed_raw: str) -> RevocationType:
          """
          Return Revocation document instance from a signed raw string
  
          :param signed_raw: raw document file in duniter format
          :return:
          """
          lines = signed_raw.splitlines(True)
          n = 0
  
          version = int(Revocation.parse_field("Version", lines[n]))
          n += 1
  
          Revocation.parse_field("Type", lines[n])
          n += 1
  
          currency = Revocation.parse_field("Currency", lines[n])
          n += 1
  
          issuer = Revocation.parse_field("Issuer", lines[n])
          n += 1
  
          identity_uid = Revocation.parse_field("IdtyUniqueID", lines[n])
          n += 1
  
          identity_timestamp = Revocation.parse_field("IdtyTimestamp", lines[n])
          n += 1
  
          identity_signature = Revocation.parse_field("IdtySignature", lines[n])
          n += 1
  
          signature = Revocation.parse_field("Signature", lines[n])
          n += 1
  
          identity = Identity(version, currency, issuer, identity_uid, identity_timestamp, identity_signature)
  
          return cls(version, currency, identity, signature)