Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,547,772",
      "signature": "0xb94cfdd938634dbc0081c196e43cfc757e6f087dc2a83b728764c56b571844abde3790d6e8ab32fda0942dbf87172964",
      "randomness": "0x6c938a596d025cf385644cc4b3f404656f11350e968659c6fd270423f8be08f2"
    }
  ],
  "blockNumber": "7,407,278"
}

{
  "Sr25519": "0x84f4c6a29db8b93434a9a784788211cdb95b95e71f64c01ed05df923822d023070cc35659e0943ce2645c75fa4d3984417816634150a9699fe4aa17fc4f9e888"
}