{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0xae79760be9903acc36b092bebb7ad2fea08733f7e23c158c4e664678a00c871b",
    "signature": "0x5f2be64abed9dc1e736ad81a968b4750f96d6780bbed7e667eea355939c060b2315799dce27059a26f46dd2511621378f152ba0e616ee9c562acabc17df253841c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}