Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,544,903",
      "signature": "0x867b2e7c4994c2811a4f39ab4ce8cffa3a264bbef741182638be72ceabf3502d9c4290e3cdd3d5590762c7589ac5fddf",
      "randomness": "0xa6bf78aee3b94f3810b0d5612f1b976ee11d9877505b9e9e71cd1a6ba056de6d"
    }
  ],
  "blockNumber": "7,406,561"
}

{
  "Sr25519": "0x264500c76730b16c8ef1d0701569860eace4db43ec2a94b7660ef2e1fa880878a0670aae03e122aa0db3920b89d560932df4687c4f067cef7cf57dc7d6dfd58f"
}