Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,547,975",
      "signature": "0x96d5d0d523d99c384ca46546b3701a2c598de9c8fdc5d5daf462c97c77e38ec0fc59ed0ac71b1556a82083e1f3e27a5f",
      "randomness": "0x3e187da194979cf014828d4e584bda860bc5158ecbfcc6117a9ad361450967be"
    }
  ],
  "blockNumber": "7,407,329"
}

{
  "Sr25519": "0x6a7eca442f02c266af1430dca7acfea2232d41d76c1914c009c2e9bf25f7cc7c23919444eac1f44adc4ece60b3fc8abbd30dbaaa8f5368e8cbdd1d65c97dd182"
}