Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,951",
      "signature": "0x91b0ec751f0a435fe98308daf2f644f4095367468cd9271eae31e70067a0eefb90ed7d71e9c6a6a59106d9476eb55eb0",
      "randomness": "0xa476e7c50c2cfc3579cd6ccd45b2a691977433eabf1008d886dd1b893dde8509"
    }
  ],
  "blockNumber": "7,407,323"
}

{
  "Sr25519": "0xa42d2868bcb32a92450f1d6ba0bb51e9cb90a7878a07b4f92a3710b7cfdc972fc6998beb1858e1080700943a51b9f95c536f947c700af56752f97a0130be8987"
}