Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,550,007",
      "signature": "0xab8ec7e2de1c39b26fe016537d9e6d479c72c65ef3e6540689771fd98b2cc7f2eb8e8dac63148c124d7324c8f2f95f03",
      "randomness": "0xc4906569b1d72f27367022a0a115ddad6c2a8d552de8e73d39727888fc09243d"
    }
  ],
  "blockNumber": "7,407,837"
}

{
  "Sr25519": "0xa2045d40ec6d44ea106a4dac36b57076793048c1d29441eaad83440d6b3281238f828b340f55f31a46af93e1a6b33b1c66b68a46d1249e66f6361252cbe1ec84"
}