{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "400171089",
    "entityType": "User",
    "nonce": "0x98ea5f430220294920d0a0c65bb0c5c777336a01e91b656563a876f657be2787",
    "signature": "0x9c2e7c80bf4999979a012e29ad3dd888e95e834dcc8013da90863e12fac2fad94fe7720b8bb40df3d74c9cda261bdaf74031629bb8d9bcdddfb650a87976488f1c",
    "signer": "0x5162CC8aD5b61EA445bE98377A77750B79c70d48",
    "userId": "317750810"
  }
}