Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,579,472",
      "signature": "0x90aca40d50c988bfec5bb6277b9603db53f8bf2f26a49cf54e29ddf597990628966858ffe1043c9805df4f60acd6cd6a",
      "randomness": "0xb9b6ebb3bd58e1273e4fb9c40604b3a6d19db0a91669702d1a9f5244bb988680"
    }
  ],
  "blockNumber": "7,415,190"
}

{
  "Sr25519": "0xba9c77222b439eefde09494acc837db7cb684fff0862dba046134832e6b9465cdfe449a8913601cd80d494ea194f0a85cd80377a1c5caf6373987cf061d0d684"
}