Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,559,570",
      "signature": "0xa6762988924d91d8b7cd4a8a41a8cfc3787e426cc0543fe48960204f96fb4c0000ba5e9d966c09949cb7275a9e841029",
      "randomness": "0x6357cde529c4493a132e4db60655d63db735c185b5569bf793a673f5e8948f59"
    }
  ],
  "blockNumber": "7,410,228"
}

{
  "Sr25519": "0x5629907eb8f882d87a49f268a45191372a35a0e3adb58d63f1546aff7a05d9080fb3886e155ebc24831e349b27710333ceeaa2c495f6a41f9036b51add800c82"
}