{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xda93916b389432a3e9e8d1e571a209e35a86c279a4dbc9294b6aa6f4ab5bb8bf",
    "signature": "0xb3ff6ca79954d7d55088af9a8cbaf40f6340ac66c9a4dcd3a9d95e4cf6e6ec0c5be78cac1a7c81d4cc8109d1df3c391a4de1f65bb5585bf35be86d5d32ff6d271b",
    "signer": "0xEDCDB601bD6D06D994739A6f926b9A966563178E",
    "userId": "724632273"
  }
}