Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,570,540",
      "signature": "0xa957812a0b3234e62997b9139d0290c732daee8a2ce85e934dd6bb47e08605579e17dfa1e5a124821c237f73d3f9a5c4",
      "randomness": "0x208b3b90eeaee4d97da31f5d532fbb4f766e988d4aa154fd6934996d3c9635ad"
    }
  ],
  "blockNumber": "7,412,971"
}

{
  "Sr25519": "0xe666ff7f2dedc7477434b1198bc122a5908515d69b26dee15762e1847a378223be028683e72b33f19a96ce6f95707c2402589adc59fce60905091c669aa17a8d"
}