_title: JSON-RPC Provider _section: JSON-RPC Provider Explain here... _subsection: JsonRpcProvider @ TODO... _property: provider.getSigner([ addressOrIndex ]) => [[jsonrpc-signer]] Returns a [[jsonrpc-signer]] which is managed by this Ethereum node, at //addressOrIndex//. If no //addressOrIndex// is provided, the first account (account #0) is used. _property: provider.getUncheckSigner([ addressOrIndex ]) => [[jsonrpc-uncheckedsigner]] _subsection: JsonRpcSigner @ TODO... Explain _subsection: JsonRpcUncheckedSigner @ TODO... Explain