Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,638,807",
      "signature": "0xa0fcf67d378552cf842a2a06afa0739c534c15683d71a08e1af571cf01a1463f482df38fd137367e508a427922420f47",
      "randomness": "0xcef98dca5d19d031097cfca434658f96b67c449fdfcbc7e669785e99543f2df2"
    }
  ],
  "blockNumber": "7,430,016"
}

{
  "Sr25519": "0x161b3ccb11973753eb0b8c326d127160e840dc670e7d21bee274850fbcc542331f6e5ab82c199ffaced3a7589d4fdd32f526af60305bf23ae17b0e56fc440580"
}