Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,660,373",
      "signature": "0x8b77d7d0cf2d02312e50e8bcc9af7e5067d5516633ba2f00daa72c14631db75b421857bf8f0b1745ac01a9388609411f",
      "randomness": "0x8bb10fa53a7dd0cbb62d1eb6db55d1590d60f10e970d0d8bd587bd00bf7458b9"
    }
  ],
  "blockNumber": "7,435,398"
}

{
  "Sr25519": "0x10aac4f1d0443083d21e50b2d83ee49b27727df1ef0c1f7e59d8011c94843a4d229a2e05908e4203c09c4bf5d3bda7a8a25b5108a1f87bef1e5407d70c845382"
}