Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,613,309",
      "signature": "0xadd8aafeafcd68ae72d05d670643bc496a997eef034c9f941c54626ebe12529eea5e3f6a7bb46b4481ffdcf7f2317628",
      "randomness": "0x86542c71d44d7684d3b5cf3125d30289689bb79b2016a30d2b863154e6c041f9"
    }
  ],
  "blockNumber": "7,423,643"
}

{
  "Sr25519": "0x4a0721cb6b058177b226565e68ede6b205d1ce8fe63e4671af524fcf228feb16f78f3f8425f99ab7d10c658a55b89f65b2be4c866af4480d43d05bb85c288082"
}