{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99786",
    "entityType": "User",
    "nonce": "0xca5192170df79037bd0ee355abbe1dcbd5f3e8727309849804f0f5257531f1d5",
    "signature": "0x4fa09af459f605195998dc249627c841bb6860d82dda0c9b3241621d72f98fe10a7934f37c174ace567f6415a2ca8314532b2007ecf50255666d19a09a52032f1c",
    "signer": "0x75a075dd45bE38AA2c27754D97d5d84dD624FeA5",
    "userId": "451351"
  }
}