Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,572,271",
      "signature": "0x920541efe8aab3baadc9feb8b495d11377c340067a238ed3716fc3e20327fc08210f8293c33a1845e306e89fe3e86e2d",
      "randomness": "0xa700603130fe946597ede9e577af3ae974d40b018b7d3ffb264fa476e848bce2"
    }
  ],
  "blockNumber": "7,413,403"
}

{
  "Sr25519": "0xe49882f3173606e7dfa101fc1cbc7e5cec850864ed210863793c36826434d009aee27de6604a1c0343ba1c4127ce51a1a691f083c4f28dc4abd449d856a54881"
}