Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,574,148",
      "signature": "0xa108831d9a5c2bddf8e18a4cd3c97e727b0ae814761d6d4fe1346f6489a03cc16a4e686f9e7695f4bde09b6561ae0ca8",
      "randomness": "0xe72c5f13f21b79fc77e0a7b86b6081622bf0920aa565cde81d007446826d4c78"
    }
  ],
  "blockNumber": "7,413,872"
}

{
  "Sr25519": "0x523c130ddc2d02c0a0e25d35deeb71865a90ee37e64d76111bb6eaf3aecd4e6d6372157f6c82825a6123d15ed9b7ec6b7ee2427dbab97f5ebcfdc18790149183"
}