Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,549,487",
      "signature": "0x98b0d5ed40ff652c7cb7317af82922788c1e32b85ab1c5bce0114c5a47bf049d75a05bb3f0eaac05ce1beb94a852c368",
      "randomness": "0x389f6f9ec5d18e639726f6cc62f21a6809509e7e081e0d6905e1cf2473bee634"
    }
  ],
  "blockNumber": "7,407,707"
}

{
  "Sr25519": "0x4a5e74f8b4702dcbe4e53d35c8a78c446c9c67679ebad92381626aad5d0b9328068302c5f549a2d9fbff1a9f74d4ec75b48ec9131a9e66ed0cb7875bd6bd3182"
}