Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,548,250",
      "signature": "0x853be282672b86924f09268cd1566f6c7e89e6484dfea22d91e60853ef142ad260537a09c59502e8654133dd5a0a62e4",
      "randomness": "0x717b5fdc2fe8c6fc429658721878e7e68cae5f290ce8f9e9aed083a317556d73"
    }
  ],
  "blockNumber": "7,407,398"
}

{
  "Sr25519": "0x986922a5f96eed68c9be0963a00f109ee2338f3a1ed3752047643b14cd6a1129fb57ce60681b278e1a78ba3e5b157ba0377d961ede913f7da6688130af61fd8b"
}