Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,576,940",
      "signature": "0x8f4c1e8cb46f751408c52e45f0c0c9ba0340cf3fa3c487c1f42c08939efc9fff8f2a78b6523773a2c78b28f26b48067d",
      "randomness": "0xfea7705db15cc08778516f3ceec2b9eba369e152e225e466160985289e1ab2dd"
    }
  ],
  "blockNumber": "7,414,570"
}

{
  "Sr25519": "0x64287c800d5e819c18f2ec9947511616fc48c7b3eb61438d62075f7f3f13915c802bd53d54c894e2d721761ab8739b781ca6f3c9e2738e55d34c1e26d169828d"
}