Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,710",
      "signature": "0x8208d043282ca580753ac58a552f70b2ee1551bc3a69ac7e8df0cc344afe9f1098fe0d3ce757f10ff5a19383aad8cd7e",
      "randomness": "0xcca3ef777acf8067c6187c62e854d7403fb3c0e09cf78a0560fbb5fbd1965ebd"
    }
  ],
  "blockNumber": "7,407,763"
}

{
  "Sr25519": "0x74b76ff81303ad61c6197dc21f3ffc34fa6f80810679e5b8bb925466e07ee46bbaab495c3163229f18472a72204d5561738d7c60c202cbafe4bcdf64e8e3a682"
}