Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,666,989",
      "signature": "0x9300fd838ca6400d9eeab10fa861e482f45c3a2a160daee0300af4b9a9ca79e4e0498b36764ffb88579d91cd48c4faff",
      "randomness": "0x9a873e4d20d5d71064c34be85ef144991d2944ba987db92d0989a5b2536f92b0"
    }
  ],
  "blockNumber": "7,437,039"
}

{
  "Sr25519": "0x1294780391ea65c2cc9043f4db2507446cfd3d65e204eff0a07017b51a558c3d53eaeef3b470e3b4e955adb445ce9fe2b383aafba48225bad104ba24c983338a"
}