Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,577,735",
      "signature": "0x978f5da07c435bf20dd2feb042cd402841d1e0849c0b151d04c5c354bc706dd60e38f252e63037ae0e9c1c6438a23396",
      "randomness": "0xb982acbce7f4fba806f7dc96ab2af8fa71df6bd2b822aba15fe341fafc1b21bc"
    }
  ],
  "blockNumber": "7,414,769"
}

{
  "Sr25519": "0xbaa7892825b8d0a0d8d6d43ed2bbde01cb360cd2fc4dab998eed95987b108d66c5297994ed094304b2f24ec650939a090bbe5e34e3370fd5d1de2e17380dd78a"
}