Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,666,969",
      "signature": "0xb6d6ee5647571c459db6e4f0ba90db0be3bd7df013332c55af8a51a4a37b91977418bc305c8982378aa824dc1ac4999d",
      "randomness": "0x4673dd214c54c31d8037f39552743658dc98e1829737e12c96028b4116ca2518"
    }
  ],
  "blockNumber": "7,437,034"
}

{
  "Sr25519": "0xeae463785e12c9901e48f4b73740a29d85cd9311655f9e166fceb01acfe7b427e70bb843bad954662a3005962e2edeb0f8145da96b3dd4493108b01ed4bbaa87"
}