Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,549,521",
      "signature": "0xb897867b949d56b3c5cd9a44288309a4c7fea653b6b003119bf1743cb53f68fb3d19ba9c5fd4ec9da60789cb4fb7161f",
      "randomness": "0x18274ec48c39261addb7b7b3ec72b8da4ec0280cb59690289c81709a7880d5d5"
    }
  ],
  "blockNumber": "7,407,716"
}

{
  "Sr25519": "0x3a4a941a0dd90ace45702f5e144899cf11f379e8b657e871a9dce38ec3a69a581c16273258b308f8ae77bec69637df3da419154590a2b32db457063d2655dc87"
}