Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,609,495",
      "signature": "0xa055794e631d46830c90912c0624d8a1c83618341ce031c73027751dfc00cee9a2df069ebd98d7ec4f8b83273e2efb81",
      "randomness": "0xa326c860c7801a9db8cf7efceab4bb9cb217fc8ab87ed6bc026b0ad93d05c964"
    }
  ],
  "blockNumber": "7,422,690"
}

{
  "Sr25519": "0x90d5233acf12dffd67c796688745f1404d94cdef11357dc1c0fc54cc5fdea22e21b842c274c5b5178bc4a18d95cfedb9b142ac1228f73e12858f411a2ecc8b83"
}