Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,548,409",
      "signature": "0x97b3789cf319d13b1d02401712e98a3ba756c3829aba03352dec77b900c1af9cf8055e4faa790045ba746bd2f90738d6",
      "randomness": "0xb1f53541e9fc1c7350ebc6513e3a0e1d4cb77592eeef723d807f21ea7995c819"
    }
  ],
  "blockNumber": "7,407,438"
}

{
  "Sr25519": "0xac187a9c717bef6d5bfd48012d05767530fe64fd8a395310d255756d4a6e6a6e2130c12e53f53d7898d40d4405ce1de737456597a8fb8b9d0227ee6fbc891a82"
}