Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,657,049",
      "signature": "0xa73b338735e5b7d78749b5305ff57a41ac57fe38113a172023436838d3848b972edbbf6541492715b74330dbb832bdcc",
      "randomness": "0x3c9eda77a6cf35129529341465b3d72df6fd9c800793cbba785180631b4cabd8"
    }
  ],
  "blockNumber": "7,434,567"
}

{
  "Sr25519": "0x76795230fa4705a637ee411ec5beabef27180578c197f91c2c717acb80b6d03c6fd1d710292a4942e6099450716e049a32d67d0b09a2a0b93d116b614112e385"
}