{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x5094a9938698a8036a8aba469c8ec67c8ab866098df6971158543a994f1bafff",
    "signature": "0xbb94e2bb5fb7f4fc2d4ad998ac678666f95ca00b16816923e8ef1a0e80ace71e516c6c0eb92bffe05b5a1640afebe9c01591dbea59efa4723c0bab182e39fdf01c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}