Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,538,965",
      "signature": "0x90e9a8a848adb89e689a1fdb744b8478990b45fcc762ab0db6e308abd12e42c0dd8dd8b40aa68800da7419198ec854f9",
      "randomness": "0xe41a5eed91b80a09978b1bb4581904acd55e003ed979d53d3f9199a221281827"
    }
  ],
  "blockNumber": "7,405,077"
}

{
  "Sr25519": "0x52cdeac689b27c04239767edd929d9f8c5a31e7965789627acf89fceb4f6115ca1bfb5c6acfb516fa29540a9e6298892532cd6de4b89a5f129c488fe8e9a7e81"
}