Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,551,267",
      "signature": "0x877cee05bf4a363e5c65929e30c9ec26aa75d7e3b96ba75934e6014f5648574fe2711f41072e8466545fb10af7dea7b8",
      "randomness": "0xe13b58b5cffdd38c70ec89aa021a9eef0b30669e2262db8de56a5a2576df66ab"
    }
  ],
  "blockNumber": "7,408,152"
}

{
  "Sr25519": "0x66df74f44b03e4db8ef5ae180feb44c9992fedcfc30b254336e6e6efd03cd47e32d63ac5effafc068440cfcf39887929ff35b16d2624005e2ad596480d2d1583"
}