{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60352",
    "entityType": "User",
    "nonce": "0xc0cfa1b4a37acd8c6cf221ef6f134eb7ffed362d4b3816137ee30eeccc73f457",
    "signature": "0x27f391506ccdc7917d9e41ffe6f6eacf30744e5e526161eb9732c8ef1225cd4b7d247ccda1c21b8076fcbaf4724310004a3d5561d309a2dc9930405447f4f2ae1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}