{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "898121894",
    "entityType": "User",
    "nonce": "0x0da32d5a48151a6c1c14b89c9f09189e7099b76da5f4d191fd99d2c59bae7b23",
    "signature": "0xe2bc389917dbdae5ea4e1fc96d3c04928a4823b1c1e63c3da142be3b3180ee0a22534f2032f8759de39791a4299669742aa01b2c977f73bf9e4bef6bdec7be8d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}