{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "379645",
    "entityType": "User",
    "nonce": "0x246627d9b3d187898fd30e439f1ab6947be03c77d11d9487c21720d52d93b6cc",
    "signature": "0xc719edc0cbf489cbb55142f9ee6fd64e19e98e701c49fc506144438450c61f1e5ee38c4bacf4c9afc0447ea7c70f2e680eaa772281be66289abb96a190bcb2221c",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}