Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,567,574",
      "signature": "0x8fcbf23feadbc48d223bd069fbc9a882b12c8d82442b5be95718dc29fea01cccb053c6dc4fa2f300639bf211d92f6d28",
      "randomness": "0x708cf484326a0d3295173f52df2dc49005e6ea7905f2fe133cdaafe127f154ac"
    }
  ],
  "blockNumber": "7,412,229"
}

{
  "Sr25519": "0xc62061b9d77acc968359a874ca698b692c6f06eb092069b3a3531f81b9a5e00e3a901c0bb9cd680e2440fbf9f85b53e1fbba66db29bd04c5a088cebd772c2f82"
}