Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,542,143",
      "signature": "0x97f98303c320eecd449a126c9d9b1ea6c06460068ddd0548cab14cc5edb1ddb2bf07d09306458056d748ee7463d8cd4d",
      "randomness": "0x8296ecaf5b393f23291e9d5279ea04e6edd702a4372bd4c343bfe631e38f3cfb"
    }
  ],
  "blockNumber": "7,405,871"
}

{
  "Sr25519": "0x4c09663f0e5d1cf06f562145001a254c5e604d0f5b466c1f43d750b77fcc6629e6002399209a944273f2dde470765d28d4a01900d4a7b2ef8f71cb20e7734f83"
}