Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,609,448",
      "signature": "0xb1a4bb42ecef1a5eae47c1f50130875ff5ff372f94c4108bae044e58cbd54c15f22a309e500ebc89a107ed2407e0a8f2",
      "randomness": "0xa106e147726d1abef26f694b43793fba220b48f347f542e0322a9110986cae26"
    }
  ],
  "blockNumber": "7,422,679"
}

{
  "Sr25519": "0x7a6cac78c7d998bf150d52e329db3cda6797bf2ad995d5cedc60599e4ecb9e7f4f78686145abeb175c3935325858f01cfa13e2ad6cca93106a00b397e3f8fb82"
}