Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,788",
      "signature": "0xb5ea12e91529da20a981fec9b786bcd2f14d79727b699e28ec9fc59d377151fdabb0d47ca78d70308f4d962989ac359f",
      "randomness": "0xf541d4b4a9511f200c39cae32f1986e6ea83e4af936c7e2b01f4541f1d325515"
    }
  ],
  "blockNumber": "7,405,283"
}

{
  "Sr25519": "0x74cd5e84c05b73e07bf10224dce7e962d16ad7420d50d9990300e05e4f7f1f53ef3337a57098e7cb7458168d98ee1e854a2b1e0d5c7eb8ddfea97e0537faf08f"
}