Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,548,204",
      "signature": "0xb87ccc307eee65a59905069b317d21b7df34a0609b380c39fc87b0f61330a00e0582b352a91723af7b6c661b931a9158",
      "randomness": "0x0be3909a0727769833a72db08445da8cd1d6680608275d028eed2919fd470e35"
    }
  ],
  "blockNumber": "7,407,387"
}

{
  "Sr25519": "0x8c073319d25a927d80cf1ec8231ff29dbeb47f87e70a5b6b8c8539b671115003ae4b92acfc12a71197bcb03d39cbf1aa98432363078aa027767781970a9d6b85"
}