{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164276",
    "entityType": "User",
    "nonce": "0x9b8935fe72404fa5c34289f5a18c88f9fb6e5fc7fde719025d4cfe4e19605251",
    "signature": "0xdfc951a2059d1a9191fffcee0d7c2f5be3bff7a387b00a432fb29d3486bda0ee7a2868cc1f30ed9cc758227df89b6e5d35b5c9953f080d60e6c5a5319450a8f01b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}