{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x10b324d8190004295511bed0af9846a8dc074bfe62e10ab673be1713b5869e8c",
    "signature": "0x4cb7b014b009715e35a42711cc2ea36b9fd713ef85447e621d25fcd7402a92be408f1138cca10791fbee1e042c5ea5998e7314cd594ac5ae8e6d27f2b1a8bbb71b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}