Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,680,742",
      "signature": "0x88e7d0e864987a52db10b9af3ba039a4cfef4e2b7e1a7a0bcfde0d69f0cf6a2e17c64bcde38d20d01cde7a1742bc60ed",
      "randomness": "0xf8429b9a02d834c5d18e6e22b709bf8b588f55572e68c7309f4efdf74c938ac7"
    }
  ],
  "blockNumber": "7,440,472"
}

{
  "Sr25519": "0x888f20ab5e4d76f3dae5295ce0c149a427c7d1c623004e5a317ae7a9e3407727fdf22469c1e1f1538dfb47c31f3b66d0939b0740d10ef7bd14bba914d1edd08a"
}