Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,558,219",
      "signature": "0xb5b55b236e3521ed260fb5d8870ceecc89b36f0842275a6edabae75242cc30045277679596246b5014df6af08e2f3875",
      "randomness": "0x865b3a2f59325b56df8d4c73d9402681ed4497069f23409f05e5d55ca5204ac3"
    }
  ],
  "blockNumber": "7,409,890"
}

{
  "Sr25519": "0xa62a9d1027154687fe64143ff952d9dd78ea1ecc72b3a1760881ef8ab7deab3bf2d1953f404f620d8283459a4690d3554c32a3ec9cd45f9c03ee2cfd3b5a2689"
}