Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,555,702",
      "signature": "0xb69b3ab234668983da8763beb50c742d2353a72858d881302f0896ea4301362079865ce942074c893e400b6b8135db80",
      "randomness": "0x5af88c6063ac73f44dca533a35bce4c73923c4d87e0629ef9dc51203be3cc383"
    }
  ],
  "blockNumber": "7,409,261"
}

{
  "Sr25519": "0x30c0f208af8f65cc2e8c3fc089dbb322be20a3196491416ef822232302e1a56c5d1c6ead850eb20ff5e5d399a617e49736631b02ef7e7bf61913811f735a608d"
}