Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,612,648",
      "signature": "0x83bd8dcb333f08ce570c1873a464a0d2c2685c012b0264be4eba96a834cc96f003cd513c140631cf07df3781e0acf2e7",
      "randomness": "0xc9ce2d1940f108ec6b1e2a61370ab86b18dedcc1b67ace6ec6e1ee0ec6429ca6"
    }
  ],
  "blockNumber": "7,423,477"
}

{
  "Sr25519": "0x7c0b68083b914a66626cb9738e1ef3d61fbc2ab8d3b588aa8f23a722e4a72d144ca8b505ee8a59a45848d03b61e763c9bd73d17bedfa90e1ecacb5f09e089f84"
}