Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,578,750",
      "signature": "0xad7077294e1fddf1e9c5d57971af154aca3002de3906f5e8bc98186b1eeea4e994782a5a3616b9c1f72dc62c6af77570",
      "randomness": "0x987c465b4967587e73da8e6d7ee3af4559e269807e6189c771eff3065646301f"
    }
  ],
  "blockNumber": "7,415,023"
}

{
  "Sr25519": "0xfc2f1c22b5d49a0d9b048d235b7aec60e9a44210eecfd676e30aca71d8a7640d689ded9dfee1b49a20b35584398a7864a32f5030b354c27222fa3f987add6b8a"
}