Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,575,734",
      "signature": "0x8b472601b3d7058fede7cb71a02f657231c33bc6b10f6e1da7e479bf152a54cd19e93932dceda06c4f3e2fc1e3a06496",
      "randomness": "0xf41782eb8c71dbcb1b4b4fc28bea75d00239e31daf374eeb139995f30ef82202"
    }
  ],
  "blockNumber": "7,414,269"
}

{
  "Sr25519": "0x10e9cccc7f2160d15fdf6fcf256c94831f2eac210e14209def6a3b7f034fba30d5e498adf56d2fb429645a0f2785a5de6e6c913ac16ff1d245504c93f823d58c"
}