Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,613,174",
      "signature": "0x8b216a6408a0cf365148153336d3bbc8636f55256d1bb77a97cdee27c5f0157e2e1506c1010ec84b9d2fce6e234702a1",
      "randomness": "0xbf1390b840c74ae0967d16fbdc45144fc0d2308bce12a6e283db5688054a9c95"
    }
  ],
  "blockNumber": "7,423,609"
}

{
  "Sr25519": "0x7a3227da9989fac84a264a90793fc2b9a16b52c5909d1fc6f18e42ad2278dd6a088953a212dd72098a0dd0275ab3c8ab44bf1c6fbcc6e874498ce72f65c5f08b"
}