Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,658,531",
      "signature": "0xb91a078155595d5293922a672e29189deffdf04f1172e085d7f6fbc1c0af5143fa5b457026a683ca0b5149ff3f11b934",
      "randomness": "0x24653c242ef2b62c9a28a71977b67354307b48c9250831343b9da7f2aaf9a9c6"
    }
  ],
  "blockNumber": "7,434,937"
}

{
  "Sr25519": "0xc26126c2246cef5d7dcba90b07078fd39db1466376c4628c0a6f42d78a97af69b139950d031c2f34a03f0b9cd2db19c31eaedc66a5177eec6b453f8edc2e8389"
}