Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,250",
      "signature": "0xa8f78fdb96172605ef08ddd0cc8ccedc440c2d8204b7fb998c232c9d7a4b408fbd707743fb1db9518f9c3ffd9d61b4e2",
      "randomness": "0x0eec0a69157ecf195f22e5a575ee9a9fc9e7a7ea15341ca9d59111ac9af00442"
    }
  ],
  "blockNumber": "7,405,898"
}

{
  "Sr25519": "0xfeaf31679c009437144fb37fde173d4acb8a70bd01e0cad0f3a4dc56d40a15193b0f67b65610ba4c8222a8920bd2b0209fb8d2a77237744a47ff797ccf6dbb8e"
}