Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,580,772",
      "signature": "0xb30ec0ffe40ee6599c85d80543a128881aabccf11a4724facc59634f775d07131309f0474e0a2639adca01ed8c62bc4e",
      "randomness": "0x7f1120330a0108ae13de3fc97819372c80b61ac37611151d772ca8fab4b97492"
    }
  ],
  "blockNumber": "7,415,516"
}

{
  "Sr25519": "0xf646b4b7d9bfa7db00ca831abaeadf1e702aa0bde4a84297e9c94a3da6b7517fdef72a89fde77909c4caad3af38a1c74f6893f200c098502f65d93993bb2e583"
}