Write Pulse

{
  "public": {
    "Sr25519": "0xd60d31b79daf28dde168bbf981526a123c7c689fe26fc00d924907403ed40023"
  },
  "pulses": [
    {
      "round": "25,554,195",
      "signature": "0xb029b5d3ddb9419f5060d50f15983c226b50ad9a46aa316cb25a8dec021e9a6e3c23063b919c64ce16bfb376878dc5c2",
      "randomness": "0xfef92759c014b93b304450019b4bdd8790a73936e7a8d5bec17a12bcdc6e2ce2"
    }
  ],
  "blockNumber": "7,408,884"
}

{
  "Sr25519": "0xc42afccd6a84fee276bff3db134bb072d3544630d7b07f46d946f73bf5fbbf234ab26ea05655e5b129b10954735d5f1114e00fd400393e1f549be6346bb4a280"
}