Register a new API key for HyperETH access. This endpoint does not require authentication as it creates the initial API key.
API key registration request
Nonce in EIP-191 personal sign message, timestamp in milliseconds
1758690167820
EIP-191 personal sign of the nonce using the Ethereum wallet. Message format: "HyperETH: API Key Registration\nNonce: {nonce}"
"0xea63d2f515f3846a42c9c11a3e74f2000d04d19069dd3072ae1a09b13a9c1d8d171e73e465e16df0c7c66a613c5b64b68cc988fe7907cc1081112ec13b796d2e10"