{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x7648aeed1aa9b83e6de6c1261fb47a053d989cebe2f7f89cf77fa88b60a3b232",
    "signature": "0xb768b81807ad277feabfba273da3c710bb44270dbc3ad3176584ab9b0c49ec6e1f77d667d97a31d618bc9e9c49b9d54ace40d1c5a9fa8c78789fe5fa1846c1ae1b",
    "signer": "0x8FC10d55fc21a28Bb280730c2478a62165b9f75e",
    "userId": "728580279"
  }
}