Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,655,892",
      "signature": "0x920c34c2e7a65b99535cba9d5bae592daa33ce8c7b7764bd13c8ab15c791e3bf81220013aa4469dc305b115d19097c85",
      "randomness": "0x527641e9733d5c6b1f86bc766de2f70fb809502596cfd54db724c49d5160bf52"
    }
  ],
  "blockNumber": "7,434,278"
}

{
  "Sr25519": "0x38481a1a6e6c0e71d3d4f23c27282f6480235d7f9abbebf1ec73ae0f46ceae15ef64f8e23df31f5d24d5f5d23b2cbfae0196baa232f9242d7f9e67a5de626f82"
}