Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,546,055",
      "signature": "0x9639ad20e0d291e54cdcfba93ce48e12b0fcac9460b7a7bb0810481439ab82dd960341cac5639c2d4bcf6c0eb62196f2",
      "randomness": "0x61305a763609f938425d60243a3a23588d894bd336c433b051e48890083fb39a"
    }
  ],
  "blockNumber": "7,406,849"
}

{
  "Sr25519": "0x76a9bea0e1d01bf896ccea8553c3a5fd148b49983ad9906b579c5e6f0d7765500cc60acca88f10a97688e7dcfd49dbda558ec5bb834d465413ddabd611aec28f"
}