Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,352",
      "signature": "0xa04cd7e03dc35c7235335e17b5eb28f3505c115dc7043cf67d684b69764c1412375795d72206bd5513450b4ccfda247c",
      "randomness": "0xb63b457c87aaf3df06d47f4c0273bf97db9e3007dfbcfdec281d27fba4fdff1d"
    }
  ],
  "blockNumber": "7,413,923"
}

{
  "Sr25519": "0x50e8d40ecd32869a7e4896ce9028d77c2325a560770440d8ebbe8ec5aa479b58b1ae368b34608cf4139d0e0fa44c05daa66eba0affb6f3c34a09e0bff490aa88"
}