{
  "Ipv6CidrBlockAssociation": {
    "AssociationId": "string",
    "Ipv6CidrBlock": "string",
    "Ipv6CidrBlockState": {
      "State": "failed",
      "StatusMessage": "string"
    }
  },
  "CidrBlockAssociation": {
    "AssociationId": "string",
    "CidrBlock": "string",
    "CidrBlockState": {
      "State": "disassociated",
      "StatusMessage": "string"
    }
  },
  "VpcId": "string"
}