Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,606,590",
      "signature": "0xb6edf08116bd1b4748498f2788d5099f1c00bb4cdf987c579ebafddddd979fe33014e133d80383cecb4be2670103411a",
      "randomness": "0xcf6d3092c0ee04acb78159047241e3f4cbfff3a790cce06cf3bd1958e84795e3"
    }
  ],
  "blockNumber": "7,421,964"
}

{
  "Sr25519": "0x863d61b820e6d4130efcac2ea65a0621cf8c6dd917eea7af37643ae9608b77171beee9043ecf823f27020a8c1ced51d36e9e51d21dd7a03e070b113784b14a81"
}