{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74701",
    "entityType": "User",
    "nonce": "0x4aad9c61eecdb1151c346232146ad6f21e358ece9aa571ce945f0ac4cc4749e6",
    "signature": "0x7dda4f6a84185fca7d1b26b9a469ef8e7638ae22fbfef440e6a272a86562e85373e88dbcb0a0f487831d9a709c25c4b7b4cf36d9773bdafa27ff070a6ba4f8531c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}