Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,565,529",
      "signature": "0xb4f87e947d1995dc026bba30c898bd4d5ebecd69ecaabc3ea6e080581f0a712e42a823e5012e528678d80e85a52d3406",
      "randomness": "0xc0883a94ba327c97917d534bc55220b83dd0c026b22d2a97242a90ced36d8cd9"
    }
  ],
  "blockNumber": "7,411,718"
}

{
  "Sr25519": "0xd80a1ed69bb77e6cf39c9ad0f0178e0c0716edb5db9a0986a5820f926b06bb76bf73a0a784230cd52a908a0a7995e1b158775e89b37ef8c6485f668f603f2280"
}