{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363743",
    "entityType": "User",
    "nonce": "0x7301b2af9f9f5748a9a05a20268aa6767db2d833c1136ca22a036b9783d37303",
    "signature": "0x7c391a75c570c79cf8507702a396120827efd4c868a1487d8bfd379e485783bb6fbed1af0cf603c249349a341bce350f878f774679e564b073eacd8b8fa783371b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}