Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,789",
      "signature": "0xa0b038dbaf52e0b545d2fc5df60dceb0dd7391f51656472fad7877ba868a801e531fe44451a996dac18c5721b86f5984",
      "randomness": "0xc41e5a421cd00e07e9450aa9812e7219826c4b547478606c71842ed4058c17b4"
    }
  ],
  "blockNumber": "7,405,283"
}

{
  "Sr25519": "0x021d654f3621af03f2086e8956509049217ea5d98227dd3f27ecc1a448a2a05bdac5d7b7378726b5ab3fc51e524f3c2efdd7abaa4675bd3f398a6e1f30a01786"
}