Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,565,814",
      "signature": "0x913bcccc871f4e64444ed90955c5108a12bcb119c07a443d6ea22c83ffda388427ae1e5e980266a14325430294c9e752",
      "randomness": "0xd68abad9c75b100f2dcdf1071bff8292ea2d8e2b8aa452dc95351483045afb94"
    }
  ],
  "blockNumber": "7,411,789"
}

{
  "Sr25519": "0x904ade724054e2e78aea151478b66ae2b2ea25cff312eda6d091f12e05aea00667a7de05fce1bb43c9f29e65087f51bfa7fad97416f2b06423e85db2d2f65c8b"
}