Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,581,196",
      "signature": "0x819937588acc2cbe4bf931e3e4991f97a5cb2e8c84e2198bc857b334917b01be30f7f582f4f5586724b4654198c76b52",
      "randomness": "0x988c189b1e8e169a21486f2c0182b49ac1b06e191183e02387edce08810f1992"
    }
  ],
  "blockNumber": "7,415,621"
}

{
  "Sr25519": "0x5afb170f7097b9ea2523e3dbfc7db9bcdc3b910ba4f9324684465076d1b0945123f4d3006cf4710b9c944ad4b956d5a80ec76fe9a4f2a11fa4a80213fb3c3f8a"
}