{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf492dee913530bed821f4470da0512f9a7e8b916b0490c876bae058e2710adba",
    "signature": "0xe726c7049c1f1e8a4ada1380854eaf438b71d76afbe6f078ac068c457b9d8bbd417ec4ba0f1afefb541640e3af87a80053b60e49a367867d4f0ac36407b74ddb1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}