Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,575,094",
      "signature": "0x865c89aa23c905b9065ffa03c94f07421b4a6948ccbb396b7fe4cb8dcec30b9ee7eca01800e25429b02a01a579323c24",
      "randomness": "0x8399b5fbe5c55c06999de464f3d8c28f02295801beea8645a6897775ccebbf6e"
    }
  ],
  "blockNumber": "7,414,109"
}

{
  "Sr25519": "0x949bd8645b038cc1588bc744469990e91ba6a846cee70e254c5c322cade2bb05a967038795ab1971df4fabb39dbfffab52c53ae558470c2f22ca621d49e73383"
}