{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305916",
    "entityType": "User",
    "nonce": "0xea4d6d98a3dca9e7e5371dda11efbe1ab944df8e5b5ff086f66a8a2cb1017f14",
    "signature": "0x55c2cb2371d2b573a4b1b019f23a66d0ba37cae3ce93d17834f59e17ebbec886375c0ebc6156511aa72689b578fe5674c363eab4e836eee4d8ffef0c458ce03b1b",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}