Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,659,574",
      "signature": "0x81c655244156a7b869b2505912b51268030fdd274e1cdc6331c028ed87d448c09e7eda286103c04136e6138bc5f25e1b",
      "randomness": "0x07daa2b9a28907bf1d60cca72d4818df21731bd75da63714d9554be699d95070"
    }
  ],
  "blockNumber": "7,435,198"
}

{
  "Sr25519": "0x02ea2f8324e2da7507308eb99737b3456442b1b8ed02251ec0985bcae937c6792c87a479e01e5e220ec669108c1cbfba8bc6a3e673731578ca283e7fbaa01c87"
}