Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,637,611",
      "signature": "0xb773f83cb925b8ecc62e9d48941fe5737f159df1c62235fa66d0f5fb20a966e11397b40e24f80c9f8e6992b9f03d6b90",
      "randomness": "0xa8fb962f6258a7fbd8c0102013b537cb831372e86524db8e381537c761b38414"
    }
  ],
  "blockNumber": "7,429,717"
}

{
  "Sr25519": "0x8e85b348551cf4a8a883498c1073b282dda2199c53d48f3714831b91178f536ff5ade0af80dc80a4e9b73a2a5b97aa439622f07380719d8b01e907862688ac82"
}