Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,651",
      "signature": "0xaf6ccfc98fa0f75521c1515a4d4ca099dc3ed46f39a8409bc3c627fc042ce250940cdb73d51b82c2a3a8dcb5249223d0",
      "randomness": "0x1d7d01f51c27c3c7d9bd966c08b4ab464ddff07978889c8cd748a655a74df068"
    }
  ],
  "blockNumber": "7,405,498"
}

{
  "Sr25519": "0xccd40a2351bcc7064796436ae42b26b0e4c6361efe0df6b4f70cfcfe00a67a5b1419cf6bd1703e1fca16bd8aa695eb804e184e53a0b66c4e0f383585e4bea589"
}