Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,667,926",
      "signature": "0x839f384252e9b4b7849e5094454f08d066af6a6f97410b4a6f17c6330c973841641e224dfd3abd7433abcbf3f09d96e5",
      "randomness": "0x6a2983cfad81bdd698a104a621be3cafc94ebb53377682eec800dd149bfce780"
    }
  ],
  "blockNumber": "7,437,273"
}

{
  "Sr25519": "0x384406d2b96760ed329683643a86f6231f6f1af8e0ed7911b803e9de0d5c4003d3d5f56b4eab61db2acf7280ac629f370d2c877d6009e75a0a9efcff7fe2bf89"
}