Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,312",
      "signature": "0xa953f9ade8fe6a57491b96ad4c52ea0dd81882ab0e4ab050d831c68d5e1df5b645d652fff77afd89f088599e577700da",
      "randomness": "0xaeebf54356e3128621f6a7032fb23a5df237e07b84992efe5166f98dcb0b3192"
    }
  ],
  "blockNumber": "7,409,663"
}

{
  "Sr25519": "0x1a42f6218b63a62acb3f811b9a7b676d3c7a33aca8f2f5a5419a18433ff53b691f858198c23a6aeccef1436aa634a0f0d9bb35be4f4ab7bbb5bb864faba82c8b"
}