Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,557,926",
      "signature": "0x81bd439b46e4b6f49256ee69f817975e45eba77fb51721b461848cd2d01e532423f9fcd65ea7ce56c8abd8d794c054d4",
      "randomness": "0x4020493a35152900668bb210661c874308f9e9a11095337c481c638fecf67562"
    }
  ],
  "blockNumber": "7,409,817"
}

{
  "Sr25519": "0xc0f4fdb65fa27be86e6cb7766eb5b47e15d2ee9c7af9e8152be2a919eabb1e43d0471bbcb15a5252adccc295fa732b22b0639c56fcf5276066c9a48188be3687"
}