Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,666,730",
      "signature": "0xa189e6a5c51466eb637af264eefc30cf78c470510bb076df412c1ac30c9f42c342dc8531a6ab4b65357d8d9736e978c0",
      "randomness": "0xfbfba27f4388a6c2e4e89877ef6d85418bcc37b9a3072081f92f40d6e51421de"
    }
  ],
  "blockNumber": "7,436,974"
}

{
  "Sr25519": "0x94e147e1487941947f55ea3f6098762b1e69c000c7e29d0a43d1d49acbd6670460ee7d3c439546397fefc78faec6ea0292d9b49538e8bc550911be8d17930782"
}