Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,642,489",
      "signature": "0xaf9a3eb7521994b8bea1ff4233bbe96dc1c860372ef5ab967a270aee9076a44dd934a19a914778890d05233765210bf3",
      "randomness": "0x350ae8a957714cbdfd395b4e303842e6a968ee026b81d2cc7548e81efeab81c9"
    }
  ],
  "blockNumber": "7,430,927"
}

{
  "Sr25519": "0x5815e306c1c1d15d46dbdf2fc27f95cdb92f705b56bd19d7132f5166a648391b657e2ba73ebf34d0f677fa531cd94f2291fe0739acc1dc77535b4d9c474a4789"
}