Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,638,492",
      "signature": "0x980deb7e98c664e3a2bac8ca2c6b704f1aa4d3aeb94642aebc6f7f394190fd6336989fa4db1d528342651920c6956402",
      "randomness": "0x76c2a29360030def69273635b35ae65c200ccd15708cc543837de3aba05e4278"
    }
  ],
  "blockNumber": "7,429,937"
}

{
  "Sr25519": "0x048cd385c9c0a1bddd2955ae46924566844db0714b6aebf332109d7d4864de7c44483d0647333f58e62949e19457e84386c054c63f29777ccc725103310b8880"
}