Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,550,138",
      "signature": "0xb188b9ffd336e2e683534a54dfc029c84bca79de80a59b19f4e43a89dc88bd6b866a3a80344b9b5571eb141b9de5e9a1",
      "randomness": "0xa84bb449a1967c50fa2f4754c3cfbbfb3cd8840ee619a581cfe6c1d14b70562b"
    }
  ],
  "blockNumber": "7,407,870"
}

{
  "Sr25519": "0x42c279bcd41b539c2dc347f2f9f8be061c72001ad1b223a901227976fd5eed102272ab84b0f54d68b4138462f89468995f5036291226c5d470fa3fbdf2ae1581"
}