Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,603,770",
      "signature": "0xa8d07a5db626720d179bcf54c86aafe4d7e9adf14926ce2a334c6f757295fc7612167015d779f5d500e0a489be121bca",
      "randomness": "0x5bd933c9faadbd3748cfd0b0d6e046e14762271e84a9be59a148e5dc155a09fd"
    }
  ],
  "blockNumber": "7,421,259"
}

{
  "Sr25519": "0x442750ae4a8a632b928d2156c1c03e8a11c56685cf81d5fb39b287b57538b977cad8e051efa9eeb10bd61a1815383b2728adb234c69ac6cc7881252be4340b83"
}