Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,577,051",
      "signature": "0x88b8a046020b7e9727f7d96ef49a4482a0b9dd5ec26e0aeb250918213d1ca551bbf6400f4e6736b44c28275e5ea40f18",
      "randomness": "0x42e9178507b6ae1f441eb3885df3cb90d4990923271df0d6fc91ed03c5a0fae6"
    }
  ],
  "blockNumber": "7,414,598"
}

{
  "Sr25519": "0x4cf3d5c6be3ebba81d234287c77503280d54930a6e76979859369e7ad49da71d1f96d19316323bea017e0ffb25e957c0a7cc190eb4ac033963362b7a0540518d"
}