Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,453",
      "signature": "0x81eee20d064eb2c1fa28a00d40dd32afba9b0e98bbb34fae30bee73e7b8a1e46aa7cc8305a474f40640810797d1b6989",
      "randomness": "0x9a25db578edacc2a82363826f2653d62abdfe3a1e0cb293e39ce0b033c8d074b"
    }
  ],
  "blockNumber": "7,414,949"
}

{
  "Sr25519": "0xfe28ba294fc2b3192cde635abe7e2b70028fffb7554db515f2071677813aa559cc2ca993b2bd491e079db8b97dc1023e217c6dda9ece2a770e030a94ec328881"
}