Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,678,828",
      "signature": "0xb23c98dbab80036ee7c64841bcd6fb26ca1efb53fc951a67a41ce99d7018b40c791081fb77bed5dc61903cd33c15d216",
      "randomness": "0x1b2d0561da5cc620f83eecf95d62cca61dbd5ad64121e2a0e73466d82f88f63b"
    }
  ],
  "blockNumber": "7,439,994"
}

{
  "Sr25519": "0x18ebb8950818c5011027b609e8c952f7072cbb122c30fccffa5e34159b19bd78978f6e6b17b9a68ba15e0d9fb9ec4b8b09a2954e414c8381626acc6ff502e385"
}