Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,669,129",
      "signature": "0xae752bfaa5ee84855dd12d67c1f01a28149cd6d9403364f2b89981a1b86a572a418f7a6442d6b7272efbdb33a293d643",
      "randomness": "0xde126285efc4b0314e03e907f0d92d5b92bd7686cbc58e59512c8825f8d45aaa"
    }
  ],
  "blockNumber": "7,437,574"
}

{
  "Sr25519": "0x0224b8cbe0acc827cda22d7c441a7467d082f1666817554973bc041367201136b86bb7b91c6defd7025c78378cc09894722711b6b0079c5a2e3f071d82077188"
}