Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,570,172",
      "signature": "0xb5e025afa45cc1249d5d85ea6bdaf824060ed273545ada482aebc6f69ca46dbea439d8d7b1e492e0c6fddf1b22af314e",
      "randomness": "0x84bef5a4efe8a99f2e123eda71f3d420f2dfc913dbccc9dd09d599a67cf8a777"
    }
  ],
  "blockNumber": "7,412,878"
}

{
  "Sr25519": "0x167a48f3dc452651543f3f85b7d7a5a9883e17f81f9512c7eee76309334f1d02fedd633836013bb13c628ac5c180bd07c037be1952c3bf10f3201dde651dcf80"
}