Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,623,653",
      "signature": "0x8ce4f30e8df57c1942cef6a63265f4df503517d663b58c2ae00656e7758070ff732d4d3492a26b63728030e48f879f8a",
      "randomness": "0x5287947006c7b099f72a62d3f1329e6b010177434cba6789dce35bfde9a148e3"
    }
  ],
  "blockNumber": "7,426,228"
}

{
  "Sr25519": "0x88a0dcb93bc31ad708bc25d9bcb0ddae79b1fcb357e936bf517c6673f6f39a7b16c7c8530edf49d63ea903de4b73eff6848b9ba50b1169963acf377c11b36e85"
}