{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324938722",
    "entityType": "User",
    "nonce": "0xf777fb858f2994ba109258a79e47e8104f1e29edc6aee03f7988fb44e6ac4158",
    "signature": "0x33075d36ee807440083793522404d2b77b642995cf45e15863eff0ae36b341ec32fa433f287dc38d77f81a7e5c8ed91f389547ef50a2ae3eee604015ea98359d1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}