Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,570",
      "signature": "0xb606a3d4d0be2403795d2015fa64e524b0f0b392ea123d8848eb208975751c5771ca1afd36dfd473adf080136cca6bf2",
      "randomness": "0x725b3270f28fe30453ecee22977c00fa9133a48b15debda33780749a02e22e9a"
    }
  ],
  "blockNumber": "7,423,458"
}

{
  "Sr25519": "0xb6a66d2235ca67aaf8265a60286e2e187065a775ddc9e9d19fe771229e2fa5759376333ae42f04bef7ab9ead7528d4e640de10c1148ff4c81c0bc4e9b156428f"
}