Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,598,591",
      "signature": "0xa9133ec2751f3a3e7f7f8a384d788337291959dc9b7391ad8c8262d3b609deee4d0e3862a87b892c782187ee683d7a0f",
      "randomness": "0x0a9008e5aeeb81c8aa247255a6880fd4ed65a059eeaeb3269657f5eec7c26e84"
    }
  ],
  "blockNumber": "7,419,964"
}

{
  "Sr25519": "0xbefea188691745ed2ffa8f0412979d6e80496f3d505a200a809f48c18422315ede9b223c7261c2d4e868d9fd60e9784c7ec9fec238ff3601153ac79deeb93583"
}