Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,542,215",
      "signature": "0xafbe678a9df93918015fbdc75550f73d7a622f806a58b8dcc9871fcc81d5df4ffad96548aae879b373815f3de8fe6b2f",
      "randomness": "0x90e829fea987c87be922b3f051f75f2a475a4eccddc9f3281bd425e66c3d12bc"
    }
  ],
  "blockNumber": "7,405,889"
}

{
  "Sr25519": "0x00526adc79304e41052daa0a942843fc710731ddd6c145076a73c4f7d24b0d725ab4081f2290f32fbb5993fc07077e08a94013ded62bb13f51e9e19ad3bc5682"
}