Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,558,270",
      "signature": "0xb306afd65d959e47c5c00b59462e1456fe8b71fa6329bc3b84862818194c803c44fc971d6d75a582e1d464e72963cd00",
      "randomness": "0x17625e47f70ef00a514e39c9cb6d145d13427b656d498fa119bfa8d23002f230"
    }
  ],
  "blockNumber": "7,409,903"
}

{
  "Sr25519": "0x801c33c51ad930549dca6e3539cdded23af928f6551f6ef419857c616531176635ef5bce76e1be32e4533bafe46475e8dd15ea28992cefae19dffc2a1be34083"
}