Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,587,611",
      "signature": "0xb7b99a55218f528ebbb8bd934c15f62aa1766abecfb12d4b21c0c355e6c53810acdeec82252db209b71d5651d71fbf3b",
      "randomness": "0xcfc32fa41bc7ef5ecfca3261348c51bd9410dfff36a9826e33265f0307a8f220"
    }
  ],
  "blockNumber": "7,417,225"
}

{
  "Sr25519": "0x40a123d32acffbd2f945cb87e56b2bf330f95bbf165931d74b1d6c32ec93c001d5c60e0951fa43b252373b1d36bef47e02ee178503c00fe1b82da34dd96fe383"
}