Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,644,670",
      "signature": "0xaf8cbd13fef61f4b0af9021ccb5cf271c90e3d81ed97ae340076c785f2da9b9079e0ee699ac9c10370a7ffd7db97232f",
      "randomness": "0x9b438f459b935d3aeef4cd9021ea2befd6997a8c143497140da1557804135a42"
    }
  ],
  "blockNumber": "7,431,472"
}

{
  "Sr25519": "0x48ec509b147f4f57fb4576eed35c51c145a8b23557d5895e99ed92a738e3274ea4c8c94e2ea584087a90bf0aa613fa77bc4a92dfd4eef1cb17d8168cff9e108d"
}