{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "424094498",
    "entityType": "User",
    "nonce": "0xdefe409b921c257b6d84a8faedffdd1560f248417f8b1378efdf14e3016ba20d",
    "signature": "0xf3d06a55e1c6bf7486f11a2a066e3a8081e7259365c9bb18d9aa59b057f6cb2334053fa95027970262d44aaf8a4d6a0f78e36939180fff39a6537ede09ba5d0a1b",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}