Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,560,888",
      "signature": "0x884f59cd092e7ce3c276f8c602b6c47d4010ce4b510ce0fabee9dcd3db3284fd15e95cacaa3f6bd26a49c4ce0b4fe76e",
      "randomness": "0x87124d4e375d063118f71528db155d48767f81fe8620ed816b2e0a246c23a61a"
    }
  ],
  "blockNumber": "7,410,557"
}

{
  "Sr25519": "0x12ec8652f659d39648cdffae182bef766381af3c543fba0fd8881b1a09016e41ca31a026f9948e3051f7b813658dc63586e6205b090fa0221a3ee887abf36c85"
}