Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,577,288",
      "signature": "0xa1e702b4ae770db9458fe58eb9626d6aa7a2b0b95a2831d1c9de82a3bd0978311fb036bf91534861471c373c86525e7f",
      "randomness": "0x4b77c21b5d2eee9f06331ed8dcce1e28ebbc9ef8ed71ce21780f5fbd98ea91de"
    }
  ],
  "blockNumber": "7,414,657"
}

{
  "Sr25519": "0x387020c93f7c4b374c8b2bb3399e9de562496ebd039d322db49d2b1dd4b3f16164c21a7c816f9dfb832036fd812c016666f7e6df13f5b52a7303162343d1e480"
}