Get state value

Reads one key from the state chain's key-value state. Exact-key lookup — use the `prefix` query parameter on the list endpoint to scan.

curl -X GET "https://ldn.core.test.network/statechain/kv/sys.tokenomics"

{
  "key": "string",
  "value": null
}

{
  "error": "invalid signature"
}