Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,539,111",
      "signature": "0xb8f72974426643e5f5e5c77974eb0016d1bd4217e20efddcce535a168aa934b4259dc018c9ce6aa5147d611e4db53c34",
      "randomness": "0x8b8d631db580210820dde47761c47391766dcafb623706c430c078f44fcf3022"
    }
  ],
  "blockNumber": "7,405,113"
}

{
  "Sr25519": "0x9ab74dd37a690da589dabb202f51df2353aaa21fb10329b61c69a4fa23281727bc17a80c00ed8c096a126e12a1e31b11dc31b7ab48647389611d9449d510db8b"
}