Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,606,901",
      "signature": "0x87461619081dba25e5b0cf295ec30582fb33a0e0345d44ef70b559d16c97de8d86755162ab0c238dd7b43905276c1179",
      "randomness": "0x489f1a7851e9cab7187dbf266534bfb27e8d66b50abb24e5c7c571f4869785c6"
    }
  ],
  "blockNumber": "7,422,042"
}

{
  "Sr25519": "0x50d8a88660543b337afc8c00ce482c9bd2548127103f257ff2db499d85e378663cf010a5e9d3bf7f9cb886569442b89038c9d1c7aea13895475b1782cdc0b287"
}