{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48247",
    "entityType": "User",
    "nonce": "0xc3ec9b09be4f30dedf22fe62c425ef91af1fae861d64f27c536820fcbf9312ac",
    "signature": "0xc7e6599f408d44e3c7470b722b23e857b7508519e6261de8d5c62efc305a493978cca43ce79b98dbbf5846663fed520cd6fd13365fde6ebec0c9934dfad25c6c1c",
    "signer": "0xa48DB3b4393F96ddcF404C400e8e0336767845c2",
    "userId": "360423327"
  }
}