Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,543,653",
      "signature": "0xb6dd8d2bab9d241c67ac6e1697677b2172603b94180aec4ddacdd27c3dfcc76b6025b1000cbc7fe4a0a17a69e48b1d71",
      "randomness": "0x1828c570d40f36ab7dbe04680777fc4ee4ce4568f095b09e222e7a91e6bf7919"
    }
  ],
  "blockNumber": "7,406,249"
}

{
  "Sr25519": "0x345e99302c00be11d2ee21fce19d93c472d282a0e41520c27e37df7034a3ae35843de58375a51dd5d0a49c8b17974dd676773025d2c0fde978d235ff1541388b"
}