Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,626,810",
      "signature": "0xaa6ec3f6d59085ec0a940c5ac8ba1f90f0b86e8d34144320167b4f4706a701d0dd3d76b453f78bf151a659ee446eefb4",
      "randomness": "0x7784d7d0ec88e960ec962c1df33c1bc0a9d18c6780709148e59750d1ce7917d9"
    }
  ],
  "blockNumber": "7,427,017"
}

{
  "Sr25519": "0xe26d6d33dd2e5116655d9b5efd821135db7ec54c119055c4034f4bc4d055fb01c342c9974bc1390366299b81b9ab1bffe4924b18610356e0099979d6eae2098d"
}