Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,603,848",
      "signature": "0xaa8946f0ecc8f5b78843fbe6e07302f618703da7852cb126de795a1eca0d4622570a085ab3b04c13fa1d780109741363",
      "randomness": "0x61394e889585c3dbe7c6f45e64679af080099bfa5812dce2a76c00e393585dfd"
    }
  ],
  "blockNumber": "7,421,279"
}

{
  "Sr25519": "0x889834f823c08262ec6524b64d89a596470e8544d352ec514843e472b6516875249dc3b61f69d73517286ef69d3ad81b906bddeda0b09b6ff0fe5f17f5393582"
}