Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,130",
      "signature": "0xa5a5ddb9a0c6f0828f8bca6353a234d365787a7aad6c359687bbba79976f3efc565205c998f8d9c5f69ee394505858a5",
      "randomness": "0xd983d54db204aba429eb623d0d6cebe9777d7e1fd721138f351ff14478042ab1"
    }
  ],
  "blockNumber": "7,408,618"
}

{
  "Sr25519": "0xe2ac98847a6052065c6ad8a94e79acb8228a525b38ac952a0db27153cf08d573806f087e1b5bc9a6589949a9cadb3b06eafbdae3661cc25cc5327538af27068e"
}