{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113567",
    "entityType": "User",
    "nonce": "0xe0ba8b1d88a86af7206d638f398faef91cada1c7ba9d51243f31f55fa4afb4a4",
    "signature": "0xf307874a174a6c99355964b7d65f8d6b1102ca2edb925e098701763ac01c623e2ddb850df3ccc35f9c1b18ff6cd061208df10619954abb6922f8d1761eb67d811c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}