{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x92a6d875244f1a4df7e5df9d76fc66ae306ca5c5144f1e710988c93c50eb88ef",
    "signature": "0x5ca1f38c86e8b8d26a502bcfb2a579bc21ad1afa11849eafb13388030f3b3f7f124bf1efc9bd6a8f726356a81d08e7cde13caad6bad046c59e893941b23fcbe71c",
    "signer": "0x353C5F04D76aA2F4EE88aE66223c10960Fa830CB",
    "userId": "676974854"
  }
}