Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,554,330",
      "signature": "0x832c175e759cfaf34daaab2671323bb5ea61283ded7f33484aab19fdd816025eff96a0283f2df409d8fdfd51d205cc38",
      "randomness": "0x18eee7b0f7e993fc1472056c49fbc44e933aec3abb581ad9fc2986d52305f62b"
    }
  ],
  "blockNumber": "7,408,918"
}

{
  "Sr25519": "0x70beb41a5ba8914165643d1feb5f42537bbf3c4cfd1339cc5734fc692f1a5e0c9f9e8dce404864ee80a0e8c7f7cda2788a4848f391f5de206fe4de94f958f38d"
}