interface JsonMessage {
  bits: string;
  chainwork: string;
  confirmations: number;
  difficulty: number;
  hash: string;
  height: number;
  mediantime: number;
  merkleroot: string;
  nonce: number;
  nTx: number;
  previousblockhash: string;
  size: number;
  strippedsize: number;
  time: number;
  tx: string[];
  version: number;
  versionHex: string;
  weight: number;
}