Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,546,249",
      "signature": "0x874fab6dafb354e825715fa26d387c2da8a7acd152ee7d212940646c96effe711b2511c4863569213c0e58ab0210723b",
      "randomness": "0x3a615c0bc156df6842986fccd8fa395ff3d0c009f943ea8c4d466e2ac77996c4"
    }
  ],
  "blockNumber": "7,406,898"
}

{
  "Sr25519": "0xb0a081900597a2c53beea6c220b52f70c4e4ad68475055cd15902a59c7cccf69ad0052f1c48c995058c9324f2c63a008a99cbf6d82ba3b58be412551e1c5cb8b"
}