Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,647,174",
      "signature": "0xafcfa4a683377045083eaff5f5e0bb1719b873e070b34af5a739bd023a8273cb092e1c0930a3894a762e8722d65fc0bb",
      "randomness": "0xc770422b98b639bb84a2b850625b7bef68d01c1ffcb9efafff996ec67e68fec3"
    }
  ],
  "blockNumber": "7,432,098"
}

{
  "Sr25519": "0x54ec2e7efef673bc526004b46943b13946a3e13a2b9d8651e01eed506c18ca51c69f073303ca57c1405e82876b676874329c433779fb3e2a265fface3c210281"
}