Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,601,187",
      "signature": "0x965854979b0be1bb89e792c544e569745d74fbae573e126f744496094bb3aa43e8d01bb11f1be3a08e7e04e43a861b5b",
      "randomness": "0xa857f3b192a0bfd304d49420abae30ed3db4e1efd74af2281cc648dc13bbeee7"
    }
  ],
  "blockNumber": "7,420,613"
}

{
  "Sr25519": "0x921b67dbfda9abcd09588fe37e3ba79a398bcb0636f4f738e869b10d94e81d3dbba291bb7ebe5421e95eb453a71e16760b3837daf482fff230feabaa55749387"
}