Write Pulse

{
  "public": {
    "Sr25519": "0xe2531ddf45f17813171106e8f31da6397fd8c270dd7ce268d67ae6fa4ec0fb0b"
  },
  "pulses": [
    {
      "round": "25,576,905",
      "signature": "0x987a06582a07434d6ad03429250a73a9be869f46bb5dc9d4db8b9fda4f2a972acbdfa7b6d4345ee9b3fd49dfbdb7c08a",
      "randomness": "0x0b4fc5bcf3007035b9ce027ed84e2d02fe06366082c58bc128e42012089d2320"
    }
  ],
  "blockNumber": "7,414,562"
}

{
  "Sr25519": "0x62c33a6c02efb9c3428dbc9fa26317adf810364c549f91bd7d82ce2d4bd44b07167060126bd897b62265544d751ab003ea27e3446d3ec2e7fe28b451904cd980"
}