Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,577,932",
      "signature": "0xac73d2d4610b70cee053f90426088d440318007fcadbfca61fe7ba72c34405dc454dcb8a4a1be1bb425bf04a908104fe",
      "randomness": "0x4197b8486cd1679300386d200337fc3646da4467f29fef40760108795f851e1e"
    }
  ],
  "blockNumber": "7,414,818"
}

{
  "Sr25519": "0xbc51294ac62b02b61737fcce8703c7fbc0812cbe03361ac931614134a6a7310873fb0458baa925d6642f472b967092deae4c990c391615888d0ec9981112128c"
}