Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,559,142",
      "signature": "0x877b9af8ecd6d4145982d1c19051ad548f196d51678cfb7a4966f147da85f6c4715e0d752fb130c1c94b392c59a255b4",
      "randomness": "0x63c8ad3c66033b3325e6a48614369d0e21ee748e475781292f2a986990754df1"
    }
  ],
  "blockNumber": "7,410,121"
}

{
  "Sr25519": "0x5a5ca63d08c6d783689e27016549980d3d70dc0dd82833d7907f36e9b085ea73d59c79b713343303cd5846a3825cac06b1f68a2d437cc5b2fd5cb2ba0b413b83"
}