[{"si": "uW", "sig": "MGYCMQCQJjFZQPxVOBCeUFTF7SZUxBPGD8mPJ8E/50HaNZC1ErdNEIGeuhp9VbcxKOsNqpMCMQC9XsARzis09IZWGpt/TUoBJQtlFJJ8BctvVBfliHVkONcYPubLG6h49h+fwHPfB08="}]