Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,612,647",
      "signature": "0xb53d15a8783ee25fdb50f3d8fad662f9238a1f16701316530e55c8954ae5a79ae676d22013b803d519119d2c0236ffcc",
      "randomness": "0xef4d9ffa65ed5e101e2e993d36f197dfdca6255208e26ea3a3ab27d1594bdd53"
    }
  ],
  "blockNumber": "7,423,477"
}

{
  "Sr25519": "0x749124619d7dbc4ae2baeb573d01ef2e621266378c82ccefeb15ac8f6d1e6948518c2852ded6f51360c887b834f49da03b398f856ef1969bac571a94f55bd089"
}