{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x14baeb58b5ce6e1212a5fd08d86589d5dbc8303113862798355744e564a4f751",
    "signature": "0xfe6b8a7115ce1f95c43a752b134a4c9582fc6da30379e0717cd1972f5e1c5ce36c0b9cd3ba23ad954a14ddf30a651610cac8ce90519bcc0e535f7d9885e8b8801b",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}