Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,543,772",
      "signature": "0xa1660be8cd6bb405e276597bc2aa5581490f7c85921f060499b37a22f3761f66aa78edaf9be183b7822d557e17f144b1",
      "randomness": "0x475213b66b4eba46571451d1d5f9d76a29c6db1358ecdb0656f387675f40d914"
    }
  ],
  "blockNumber": "7,406,278"
}

{
  "Sr25519": "0xb8b578663607db27614227764ed779c6a90527bfe47837603c4c9a47dfbb3a755343b5a9ef931cc7a9f37885efe460d027f922e1819eed2ffcd85a6572c6438f"
}