Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,568,172",
      "signature": "0x8cc25b9384d0e53aa1f415c834a5c6571c19d3274340652f12b48c115ba03c5182802ccd5e87bb4c9bc9765fe8266c6e",
      "randomness": "0x400aecf5708a304e41f5be097ea5c0c33ea803ebab613a40b46cd862761daab4"
    }
  ],
  "blockNumber": "7,412,378"
}

{
  "Sr25519": "0x5a5b213414684b075605a8dc98e1504aeba5b5b0a22ea974c87dccab9ef0f2750a39c8a73a53fd5469ff2115ff55448b88a48c16ef88b6fae6f9ecf895f33d80"
}