Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,567,688",
      "signature": "0xa2a2be5c861c31f4785f87064a59fc50608216ef2e0c2c28808a7d45d06b3150def8e11f1809973c48876735a860c1de",
      "randomness": "0xf1643a43923b3afdf647b5520a2e13217124871741e5322ec2acf3b2728ace13"
    }
  ],
  "blockNumber": "7,412,257"
}

{
  "Sr25519": "0x20d75ef991f145bf2e54f747af19aac60489e90395cf2a356c405bccca9a3066717a881073022fec4258b5604c5c25a65f939dff1ce86bd45cb042ad0dec8c86"
}