{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xfd16004aee3b5ff74257e911a904700558b6d815259c8be40a63c590a34cbe95",
    "signature": "0xb1b6463135c28f34fc4e7d0a5d37e8aee4f333c8b6efc248b542d9e503fad73a45bff8f4d10ab05c1f4dd77d27c4d13499712f4925521aaf72f8a7088fc0b0771c",
    "signer": "0xE8Ec1bAC66ca573950B30a9B5Bff2793f9CC5C29",
    "userId": "734516636"
  }
}