Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,392",
      "signature": "0xb76e92f9ded0b4c2456e0f9db19a752b92996e36d8a14054e25fac7a544acf61f50037a743b8e31ffae593561f7f9c8d",
      "randomness": "0xb99c837472314b128c268e4336e90c18f639fb5a7011bdf579d59b675298021d"
    }
  ],
  "blockNumber": "7,409,683"
}

{
  "Sr25519": "0xe0c4a65a8bb392561cac2364d1232d160decc357e3308acc1ce71edae72c05185aa574a4cdf7b07e15521f25e3fe221944fef32af0b9d155a633bd18431dbb8a"
}