Returns the lamport balance of the account of provided Pubkey.
The JSON-RPC protocol version.
2.0 A unique identifier for the request.
"1"
The name of the RPC method to invoke.
getBalance Parameters for the request.
The Pubkey of the account to query (base-58 encoded string).
"83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri"