Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,552,451",
      "signature": "0xb7ccbdc01b103084ca1d5046222f2794a33955fce3f947b73a7eff8901481316617bd729d6bb07ce9e966f0858541946",
      "randomness": "0xa0fdf969abd5f7c5cb19451c5224f925a34845bedb3c5d020ce5aada3a788993"
    }
  ],
  "blockNumber": "7,408,448"
}

{
  "Sr25519": "0x666d77fb2e1ef3fb5297206557a1fbf2caf3df927ddf5fadb9749f30f0522b05c790797755ffbb42b39506afcd4a4d17baecb68bb8fabda889dd37c24091ef86"
}