Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,570,305",
      "signature": "0xa47430a8762ca893e4735c4b9471deb1250517c8e90af3cad72896ffa73f58a914544493c7a666e1efa8485f8a1de3c5",
      "randomness": "0x215752f02a0af207e4a09bfe092985342c91038f833b1352f8b1ecfd1ff84e47"
    }
  ],
  "blockNumber": "7,412,912"
}

{
  "Sr25519": "0x722b611ac98c3ce07925357b0ccf7d3a0623fe0c4dec210005c714754c197d4c26a27d74fea33606e0c516d002f452f52033a2fb8b24b2a91f90633462c3ab86"
}