Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,628,430",
      "signature": "0xb283118b37e0bbeecb1be38e8ddc6f772260c186df237df79a8c5c32788a907e0d13fabf0060837e4b227e952e3146ba",
      "randomness": "0xd241859077297c800e517974019bf150136cf015384a2daa81493e4eed3fc962"
    }
  ],
  "blockNumber": "7,427,422"
}

{
  "Sr25519": "0xe46930f29a219d5203de2dda0f438b86e7ea5636349f5ced6b4b5f6c5883e956b59d9b340bf62e057be8fa6ba8aa1c49dce61ddf9a357e6f2232075c65a39082"
}