Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,189",
      "signature": "0xafdda81e4a6c65f4ed56c429cc16742011623c4fa57dc1fbf2120eb9fe94e2eb4bd52224ac6a358ce5c8713d81a34c18",
      "randomness": "0x8a448d8a6ced61de9f10e2a263c2ff3e839076674a8828464f5b17a68300bb15"
    }
  ],
  "blockNumber": "7,407,883"
}

{
  "Sr25519": "0x80de5c5d387e88ea9fca398d67e4089cd08ac5379eb304a24ceb2fd9cbf0397595d6bc6b2b1546dc9e754e9312049290c9b5e82454b247e968b8b3440cc43387"
}