{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x6ef82f74d4e1db8f4dad7ee11ccfc31faa7a5e25bf847438f78d8190a54c660e",
    "signature": "0x14d2f6d43ee7e2e2d767c8597ffe97edab4d5dbb94bed3eda16608edb1246dd940ab4c32428c755d9722d9c4738f9f1d211c7e841622d8d71f0bde975bc7fe571b",
    "signer": "0x3bAeF837369bF35C2ED81037444d982a8045bccd",
    "userId": "631423161"
  }
}