{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63084",
    "entityType": "User",
    "nonce": "0xdf328accbc98675350b9a993555e5751c285bed0fef059f0717ec0a6a60948a9",
    "signature": "0x05ce38d6f0a32c0131af1aff46373a0c3e09ac067120b9708d9c1115d3a0fa8c0aec4417f81e0ddce3de93236863d2ee7de75b3cb6628ce81079df6bb60ea82b1c",
    "signer": "0xf40D844F18ceEb158472fa074B5706946f2bb643",
    "userId": "1721"
  }
}