{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105253",
    "entityType": "User",
    "nonce": "0xe90eeb9c93b0ee4bbf6497bfe0ef733190c71916faaa4c5ecd9fa8caaf40a053",
    "signature": "0x758323c9b3de5fc3cce9e7c7045c478998431d1f58348d85227a75db562b106f4f45202fabdde7dddbae75f5696207d628fd01e93743b535bcda64c39aa1982f1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}