{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281494",
    "entityType": "User",
    "nonce": "0xeb9cd4997311860a5ad8911ac84f69396abfa5f94b29521457a47471b396e46c",
    "signature": "0xa93e318ac344c4d4cc0ad9371fd10cf6b348592d5cab989812474e4f52c0050f3014db55378dbd781fa89222f57108bb04ecea191856eac3206af4a0185653881b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}