{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x32c74414d0948c68abe299379504e80932a97ca2f4ecbf491950fb918f4d6e5d",
    "signature": "0x929c1b36503d8d8b4fc89c1a14b6174ae6e4f3156f5efa3ff9aea00dd2a2b9d645347ad4554b6f7b681b9cd229a3ddb08c94a2eb0ced20661ec716915614d2fd1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}