Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,539,575",
      "signature": "0x8e1a73d426383f727d1a8d3c2e0dddf9ade2e2961629e13153e22d647bcb9908f219c1c078c2906aeea685fd0e37a6a5",
      "randomness": "0x895ea4be7229c9a226988217672b92acad5925a80d255015071697aa632b1e87"
    }
  ],
  "blockNumber": "7,405,229"
}

{
  "Sr25519": "0x86a358e9f61fc619a6377bafad3150118085695b53b1642f429dece1ccfb785dc5cbdf651b6e58328a421fc1366d3fc11c2c9a7126da34a59ab2b4e2ff2db489"
}