CreateTurnkeyEmbeddedWalletSpecificOpts

{
  "attestation": {
    "attestationObject": "An example name",
    "clientDataJson": "An example name",
    "credentialId": "An example name",
    "transports": [
      "AUTHENTICATOR_TRANSPORT_INTERNAL"
    ],
    "publicKey": "An example name"
  },
  "challenge": "An example name"
}