60 Bytes - (optional) Identity of the receiver. When present it will try to decrypt any incoming message if the client holds the private key to this identity.
topics - Array of DATA
Array of DATA topics which the incoming message's topics should match.
Example code for the newFilter {disallowed} json-rpc method. Сomplete guide on how to use newFilter {disallowed} json-rpc in GetBlock.io Web3 documentation.