Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,600,850",
      "signature": "0x97ed687dad5d8f605709d3a838b05829108370b31e03514d9eb78c8be87bb64973eaa12f79007ba0a21208e6d3ecda7a",
      "randomness": "0x87370a05a1367629a84cf5af873021490b07323ceeef3430256cc39448cb9435"
    }
  ],
  "blockNumber": "7,420,529"
}

{
  "Sr25519": "0x742b223eb716459c0f672c09233d1a8883119ecc6743127e0c97056f8de2062710accce888111d2c592b9abd720b00564aef755a2507a6614eb9c02cef59b884"
}