Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,009",
      "signature": "0xa5df5b77175085e2966118c0ef7c35ba9e731130425c082328ce05f43fc906d4ebd02018746c6889c266a4cda96e56d2",
      "randomness": "0x03e0612405ed005f80289535926570e282d42a8e1518c376d44e22973c6fea2a"
    }
  ],
  "blockNumber": "7,405,338"
}

{
  "Sr25519": "0xc8b126f65b29dd120cf287b9031cbc1a42c398c2918404ea04e0e4d53490fc1c39aa5ea4810c6b9de9821d47b925f8ddc8fa4b64ff24e80228077aeffbd98986"
}