Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,604,449",
      "signature": "0xb6a48f5e2a63da1f8b0ed69f7f7140d7c52f7f561a1ff1ee4387551f292df6e9b7ac32598ef81587a06d50ef8d5a37ab",
      "randomness": "0xe021af16f1af98fc4d61b6e69525a3bdb2a14d71f137b831fbecc5d2e7484dec"
    }
  ],
  "blockNumber": "7,421,429"
}

{
  "Sr25519": "0x1a91a7ebb913d4bdefe27d0fd14bf599752c4a3c23f5d51f162fa05c6cc263632484c6a75bbdd2d01d8fc9d82683b46830928e2774a42033576c54ca2852e588"
}