Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,548,663",
      "signature": "0x94128160e09cf8ced1acc157a6bd720f3142e8915090e844e9b9e96debb5e4a48930b6ff058b7dc7ede5f6cdb2546d2f",
      "randomness": "0xa4c1a9d3fed5c1ab31fdb30319a1a9d2645a3844f3a24b5966c2220cb1ecf7a9"
    }
  ],
  "blockNumber": "7,407,501"
}

{
  "Sr25519": "0xa43821be1c73e0a561e261d2f1a53883e30b383aaf7bf3e70b89d178086d8d4d9ad670444dd63797d128b848b63e5af5be09981b7bf0d21bf012dd2751c5d786"
}