Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,646,350",
      "signature": "0xa8416941a044f2a908f2d90b42a17172110dee7dc82bf2233d601690985caf016e8c119df54665f1d6805d91ddeea779",
      "randomness": "0x2e9d30e02621abe61daa69d5a9583a10f7f332391ceb7c4510ea4786da48858f"
    }
  ],
  "blockNumber": "7,431,892"
}

{
  "Sr25519": "0xec74913468dee4e4645ea88b9cd6d9d6708d1272005d4f862edc37d66fba5f4cc6a8b439eff3aaf8d42ceca65500ae25b547b7280c036152fc96fbc91c90dd88"
}