Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,576,889",
      "signature": "0xb81427d9e946cea65b24745dc0531752ae2f1b550dfd33ef0cf8b7131153589bc0b6bc07e4b28a203945fb5b98dc6d4c",
      "randomness": "0x03433de0be6bf111624c3781216cc188517db72e37a821c0131e7d20427582d7"
    }
  ],
  "blockNumber": "7,414,558"
}

{
  "Sr25519": "0xa4fe2bee05f32d43b62898e4337bb61858ab7890239989f6e473b4f55cb786730af4d9ed62573ae748c66b47b8d51536e44fcffa93d086b3d4f768c0e36cf080"
}