Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,549,381",
      "signature": "0xb87f60364f51c10177c9804d87aad9594f8e6f6d1ae084c09a5faaa6e65d2cc833d3696b78aa6298f9d28633280bcf9b",
      "randomness": "0x76c9c68127cd440c0a353e5eb959edaebbdb122d64a6fbb1fadefc5c6e7ac0b9"
    }
  ],
  "blockNumber": "7,407,681"
}

{
  "Sr25519": "0x6438b96f6dfdeb54e5997fc33ef82ec12fd2f34353e902c99ded92e23cebe156b3d4c23e9a96d777237c713bd287e50de10b2c1cea6709a2ae32d3c139b55384"
}