Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,606,111",
      "signature": "0xb553421173cb88b8f80d4e050d9397ac000b4a38e81cc7d5acaade3ad70790192ec7d0b0ff5002c691120227eb74638b",
      "randomness": "0x42b6c35e526c681d5fda7a8538a136f7aa5d27a9fb1d727507ba970be0b56b2e"
    }
  ],
  "blockNumber": "7,421,844"
}

{
  "Sr25519": "0x649ff26afe464ddacf5672f0d2337b92b88bc93bdf4f06295a53ba5c50172f23f9b94ddc87b41e156550098d1fa12e89eb7bacc6267b048d963970eda91e2180"
}