Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,557,528",
      "signature": "0x96cabebe689fe0d492f3c4a62a950915b9d8f146dedc8116536d166f437987fe40f4ab151319723d0734a8377e35fd60",
      "randomness": "0x0f024b679a7d08a95216eb8a35dfa6716782b787794add95f652700fecd07dfd"
    }
  ],
  "blockNumber": "7,409,717"
}

{
  "Sr25519": "0x946e77775a8a6ce0b23a32d83e1245368ba8e37e5482b11987bacf93a2072a040fe04f29246e314f5caac3ca6b2171844cfe60529a2aac7f4267b990c4259486"
}