Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,669,131",
      "signature": "0x93b271b77eb7495884d8dc12bea4ee144e1dbc106f45ba9b7e04f3b0c2aa1e9df03e38008baae62e0abb7502fd02e0b4",
      "randomness": "0x6f2c160233e1b4477a0ddc40a71d426d5f97d4112d948860383e9be3567adf4f"
    }
  ],
  "blockNumber": "7,437,574"
}

{
  "Sr25519": "0x10800b7241d894a051e5f37e57e5411755dfaaccc7710694a887445a27e1c729698fa746cc42dabfd8ec6f9bd1463458f603f626be73855815d224e646451988"
}