Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,547,575",
      "signature": "0xb9c64817320883bf5a7be917cafccc8b7833b34967db474898df78f07df2e7bf54cb259cd196a120f60833b7f7e3605b",
      "randomness": "0x55f502475c6c28be8c34db96757c497e4aabc9c8bae9963d296949e1b54ec0fb"
    }
  ],
  "blockNumber": "7,407,229"
}

{
  "Sr25519": "0xe40c2d3386990a5e73b5052c6e84da19b2226c98f20e61cb4526dd691ef8f92ca50ed166e52dd4a3c7e9c5cccbe94f3ed6cd59d9c37b14b9c1e1b59b01adf482"
}