{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xf0142fae59f68b65e29f2d207f0e55372219ec6f68e7e1ff3c167f80ad3ebccb",
    "signature": "0xb7c212dd9a0e731902bd9c4ef2102781c00d6e0cc88243a9dce78327f7f30ae52249650e7a01ce34178f2d19fb4959e042318f6bd2d35421e22f966f71b8ed801b",
    "signer": "0x168ff3b3F21912D4d676468A80Ee2af0E2F24a59",
    "userId": "124431641"
  }
}