Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,490",
      "signature": "0xa4fc7aabddd3eb8dd6e8cd20c26d69e2b20ab433230e6f83f9b140eb500d2b7b42b0c141d4e02a08e9d2d5ccb067dc41",
      "randomness": "0xa01c874453dc284324159baabb36f3170ac998758a870ac399a7f1571adb501b"
    }
  ],
  "blockNumber": "7,405,958"
}

{
  "Sr25519": "0xa69cd4d08a5e2e58ebec73315137950cb7ef4582c865a7132b5e130e51ac971799918c04fd89caaad0603dd606aa0f1fc504861ef036e29b736f287e16d5d285"
}