Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,578,810",
      "signature": "0xa7a6009ba8ce17313be44bb1b86d87a89881f2fe2e06d48891499e15d270756bcad9601f054e9f5fcb3b1ffb9f97e725",
      "randomness": "0xa19cd80475cd8201abc1835850a7abf52da477674779c7d065361b771c81b295"
    }
  ],
  "blockNumber": "7,415,038"
}

{
  "Sr25519": "0x143d2a28c87c54ee779339fd2fae7f51eb8036ed2cf83cbf45d86623c091b218f3a05b9f56e7cb3200d74bec8654fb9aa9edd75fd9b61ac681aeb39661031288"
}