{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x14fd26771f20e7bf7250efe2b5d1098a8370dbb1a0efd36348272bec4fac3f27",
    "signature": "0xc7c7d5e98012cd04abc0b09a0c683870ba842c982df5c956abf8ff792f381ccb62738b338289a06229557f1dd43203c2f70fd5a6ee2a73255e851b0cc0a5d2be1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}