Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,110",
      "signature": "0x821be490180cf22eb4ea34bbbf187015b358f25213aa87c06be67a42f589b5264af68e5156d0d667af5980beef648c78",
      "randomness": "0xc1e4159b95be1e9d677e2e8df1a0e5bddc9de9174c0e44bc1d809d0c32f11750"
    }
  ],
  "blockNumber": "7,407,863"
}

{
  "Sr25519": "0xc49096d78bf39d4887d7521baea41b1948d2df10ab8d981d785e9890b249b043c3f7f53d257657f50ac3a9ad5dec56cbfdedad0fc697f30d57c2b8d4e4fd2183"
}