Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,640,295",
      "signature": "0xaa66df6c4a7454d0fa8ce7df8857daa9948b00e6afe026c4c8a1541564993c1065b9f164ce860c8d25fb9e89b2d4591f",
      "randomness": "0x6689ce6df92205ab48115f966243938efe30daf595881e5f4f4b3723c6fcf92e"
    }
  ],
  "blockNumber": "7,430,385"
}

{
  "Sr25519": "0x2267771ba3a23a59268d530ee06878c0a5b36f030850f2cd555ba4eaa106ba3e95dbdf57a82c1bc1a10d29a394fe3132017190a8edd85b5724191ee7d609148b"
}