{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352545",
    "entityType": "User",
    "nonce": "0xa96fddf66c498b2e5638dacd3fb061d187081e82bed5613da24d1e0780035886",
    "signature": "0x06efefece2775cf5f5bd081de166c62254ab0dc00fe2609d902686a7806f72bb12a439206fb943db9b655776309dbeeb7b3e64d4fb2234eb5ec5a7845bf9b8cf1b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}