Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,369",
      "signature": "0x9383cd34182bc0f6401348735c62d47162deba1f95cf4d71f06359f12e841b647e2933c09ea93f768b3c78287491be0f",
      "randomness": "0x6a5673182db329fac73237ed915dbead9aa5e36e329fa6aeab15885645a05653"
    }
  ],
  "blockNumber": "7,408,678"
}

{
  "Sr25519": "0x9012a0014a13567a57d16fed9a7ddd51eb6f515ae4f83e80b9fc0de4b81fe92d7305fd1eb75e66f6b7847255456d12a010f23666e5cc45c8c48849c84c7f3583"
}