Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,621,209",
      "signature": "0xa02d3f3b8b8f28d2763a5908e024172155ecd3bb50cc3293489856dec0e701a02b1a4571ea049feb93a54458890bf9f1",
      "randomness": "0x8f532d910fa6699ef1ccdc6ada5ce2c5b73c0ae0b705ae0ca6478b90f4dbdd94"
    }
  ],
  "blockNumber": "7,425,618"
}

{
  "Sr25519": "0x0ccaeebaa6ef4f476793eb532e068d669ddb2f5572e2beae0d648fb8c6b53f510e4d306c8f900174ef720ac9934ee71238c26e56ad269d0ed851a17034343a86"
}