{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185420719",
    "entityType": "User",
    "nonce": "0x3fcc070c80a441d98f38f163dc7efc3362950d915ab8887431edd790c52ad358",
    "signature": "0x873de7ac21a3f3835933eea6a4ba84cd05d0f628ab1c53748cfe3604032907076ce49d35c1b59db5940f9982307b8449b4b8beff3ad7ee360ee10a5308d671191b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}