Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,670,412",
      "signature": "0x8d8bc6d1c319cd62923097a2e03928ac2c15b47cb304cbc9c9e8297480b01f51999718f43831cd297adc106178a8f70f",
      "randomness": "0x9ca61e1d392b2272ca9f271d8f1912a26f5bd9ad74de6a678b139fe039005afe"
    }
  ],
  "blockNumber": "7,437,894"
}

{
  "Sr25519": "0x64514c2fd9c2a915e09b09917fe02272708b64a44b04be9666453ff4ed99f165df94a2e16312e1c134587088fb44468d17611c4624685c5c563c9591e8142787"
}