Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,602,410",
      "signature": "0x8e48e85a9569170d1cbd28091807541f1bb934a44683bdbc2aa0cf52452f49b063a0e7104470565a628907029f4684be",
      "randomness": "0xc3bb83df6fcd9620dae3f83e770083be6545d0522783990c2abc05db0e65f764"
    }
  ],
  "blockNumber": "7,420,919"
}

{
  "Sr25519": "0x526805f29dee6763d64cb579655be5058313cd10802d2ff2c3b91e54126c810b54147433fc0f756d6dbd6cf829cbe0411c33d88f9bef48eada4b23a85172798b"
}