Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,579,574",
      "signature": "0x857ea6efc7dcb999d07128a1ac592b0eefc7bf1e984b0b4893e263ca78ac68c71b94201680514aa5f22d32eabdce11a4",
      "randomness": "0x8245f6a7aa6ef2eb73df6f60054e9663e0c0f223355ccdbbefb3cff701c54a81"
    }
  ],
  "blockNumber": "7,415,216"
}

{
  "Sr25519": "0x94aee768fabc4a250d3427e0b3b74e7deb4e299a0c4c36e434bc7d87efef494e272b91acfe7496c95cf57e0850eb9b3ef0446b982b5100208cc1b20dcd30b78d"
}