Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,971",
      "signature": "0x99d69dae2c22dd3fa27a345e1f7a05549329ee46e2e6b62c0281966aeb867c5046e0b29d0e903cb57ff476a7996671f8",
      "randomness": "0x78c7a51c3d4a52da6600ab9dac4df380a17f1617a127241b67dd34ca7d197cce"
    }
  ],
  "blockNumber": "7,405,578"
}

{
  "Sr25519": "0x728e9871bbcc91d163411a964a18769ac00c7259a30e94d33f4155ad54171f39e33a2efa3e6dbbe0a56edf21cb0ea0a3a04fe0bc2c50392587c100f99d9e5680"
}