Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,771",
      "signature": "0xb30aaf2987ae89bd256358c0654d6213ae5314be06de197424c9cc6f876fd495f839692423cb970d1f8f77366f14fcc5",
      "randomness": "0x0bd771596413c71307f65077088ac7f968a56e62483235ae7bbcaef7e058f65b"
    }
  ],
  "blockNumber": "7,408,278"
}

{
  "Sr25519": "0x963197b60884e6c25552373da0681ac6d3cd72b24a35def4ec8f22297714ad2eb58fba0407d426944fbf17103180574392e7956ad4d5fbd9932c7015974ddb8f"
}