{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcaeb6b30f2d020ae6fea3d80389736c8595ba5266b3b8d810cc77de9972b2b16",
    "signature": "0xa61d9149ddb80e0a098babb42f42725d5da7c9310de79efd9446adfcce5ca872501ac5fcd3348d9f7946483fac5d28c225a190a85f1d37afdc994f84649495d01b",
    "signer": "0xc2F59462DdeeFA9451a8CeBC7867413c56677C1C",
    "userId": "798596916"
  }
}