{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xc6f63191771fc38d65097b0054745a8e69c0724b137bba4846d9d3ebe04bbc49",
    "signature": "0x27e37f8ee08cc356c71c6535fc3a178b690bc1a0184ce6f680c40152d3bb6c1e24660314d8ff96e87216d9fb3df577cfc69c7fc3ae0d19a7adc3c5da1b165e721b",
    "signer": "0xfE1e0B3a8d60e473e21512a6062536BF67b5ff9F",
    "userId": "534888474"
  }
}