Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,568,888",
      "signature": "0xb18deddbf93b93538d8a7942530b1e64e54a5f2c676512657dc2a261ac8a236343e24a757ec47b92a43b460d4be2a845",
      "randomness": "0xc1bed5238886de2b71851bdfcb0fcb65ebba7f78e960b100fba404cc4bd4527b"
    }
  ],
  "blockNumber": "7,412,557"
}

{
  "Sr25519": "0x640bb0df0a3ae4ff8120016d447ccd71758bbb79d95ba0999e53589fd16e5555c03aba7e2037014c581b6f631245f3be8f051e85453ffe6dabbfa110c5fdac89"
}