Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,570,215",
      "signature": "0x9863031ceefe715de18ac17c4a16d85fb3844674e2dae177c6b3a80c0b0a0d7c2269e1b9eb36a81e89df80b97558d23c",
      "randomness": "0xf27167f74dee9a4e169b5fb558265323eb0bbdcaa7cb91b4fb47f83d3a028fcb"
    }
  ],
  "blockNumber": "7,412,889"
}

{
  "Sr25519": "0xa8c280befbf7e4de0072cab782e7e03f53bb08fbfba85a51bf0d85f3708c0b1fc570fb6639662263bb4398e4f086198a2cf3f1b56a7904a74f4cd63c289cb48e"
}