Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,132",
      "signature": "0xb491736b3868c80f42dedd5f3d463a7015fd04b9a86d898c34f8a99044bd4f6d478737131c44cd94512fe2809b4dd34e",
      "randomness": "0x0a3abe56a91fc3c01515887d66b5e9cc138d38b75e34a8a5fae2073c1814e018"
    }
  ],
  "blockNumber": "7,408,118"
}

{
  "Sr25519": "0x041a602ef0bd90b1931e2e1ea0619742370b7c3e8f6c85f6bfdc80b1fac8036dbdb84afc93d191755afd530a2c4c5b9a89edc7e2cb9d7e0ace24efa7976bb381"
}