{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45034",
    "entityType": "User",
    "nonce": "0x55566f968c81544adc84cdcb59dc2a11893c7ba98102a95a76ef920dfe4f6218",
    "signature": "0x7231915d9c7019ab11a268ff91b39118cc88a5a1bcdbfcb0f69f95f9d0e5ea986af4770b2c9941518d18ea2062c933f83a147fb8eccef254ccde54da4f4f0a721b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}