Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,551,301",
      "signature": "0xb658b67cffdcc09a0e692f9264bb026eb6cc330c52ef73e02736e20c853b89150f1e17174ea3836ac316a77f7c0a605b",
      "randomness": "0x38667086a889bb2185896d283fdeadb09ab6e9c4e889301cd1e0622f0a746cec"
    }
  ],
  "blockNumber": "7,408,161"
}

{
  "Sr25519": "0xd6c1de333c72f8c6e6aa7109c85e0408aac6fc9e984f9ced93dfd98176a6e678015418d1b9aab5286aa1a583cf4a7d964778fa6bc9bf8f590783733c32776785"
}