Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,541,521",
      "signature": "0x889181252cc000999ac63fd6c3ab0aca0377a037de595254daf3e141f7df0568e03d56bfa4e5595500e466e28c94aad8",
      "randomness": "0x064afd9aa647998a998376968b88bf39006e103fd632f5f04113d58f45dddfed"
    }
  ],
  "blockNumber": "7,405,716"
}

{
  "Sr25519": "0xd4637f7010a74420d0d8e8b609ba827be1479a6b8489f099372235194ecd944736715a5b70b8ff94e005215004703a6a76326fc3c7f03e31740b10c6b8f45c8b"
}