{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x65744303254bdaee7d4937efc00100c348aafc883a4c30eacce5a6a4d47aa6b7",
    "signature": "0xd6f5db873837123b3cb72d04b9aa5e59b55b3cae271f03d8d2b53a3164d1ef4901e60a16a01c5f85cd6468df6cd7551b5765351fc37da2909e18f0ad8962a9651c",
    "signer": "0xFFC5dCB45B1826f1cbb4062a3E63151751CC7C2a",
    "userId": "308159083"
  }
}