{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x54272c92473e5fe15bdb36bc086e2ac038a3607312c68adfe5bc510d514b5fba",
    "signature": "0x52dd02a84e3bc6c7dec90a56c38815239a19a49ae936ee282544bb3ff676d49c5a9a66ef01f428533ec1175b9b887ab6a7a04c21e09d43a6d2f671acb58da3401c",
    "signer": "0x310B0B7191C46Ed776c4A40667e783D2BeC03A21",
    "userId": "546045336"
  }
}