Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,645,522",
      "signature": "0x8937be9d2b919b78360c0309c013d3f87ef255707d94e7511d7af8738cbcbc6e39e262958676d398fed66d13e4f07b31",
      "randomness": "0x649f16500204fcc4ea2ca2ee0291014d7181d043032ffd400972747107b244e4"
    }
  ],
  "blockNumber": "7,431,685"
}

{
  "Sr25519": "0x74b525fb3754a41c6d49703f6eb8f235429accf36911eae6d7d67ac726d26131fd19e5a5e80af03fc707b9415645dcf8e25e4933557a461730c38a7648c6288a"
}