Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,586,172",
      "signature": "0xa1791444695b8f5c12f8b9ce6ee1820bca123d30abc1a4f680a3666ceb6f1acc248f9bf7890927b8b9e9027578de4f2c",
      "randomness": "0x8343b992a37cfa40fe63224f4acf3af2a5351b25e25b95873e32f5805862d9c2"
    }
  ],
  "blockNumber": "7,416,865"
}

{
  "Sr25519": "0x1a861fb7016bd5fbf987b936891ec38dec343dfce390d2d5b4d24632f30afc2141e7de8635d86cea9b24179591fa918122bb9e631d6591d4a2814e38d008ea89"
}