{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x4f5366c370ddd2067fab4ead8bf17a8f805892234986876ff4ea80baf85699ba",
    "signature": "0x857f730c601b46540993fa55e7edf955d59c5a3a9a9a214eb57ae126a6d01a2e4e072621eb2cbc5f7f7c9a663845f172352c2bb8f5ac34fdb8e2944cf4ddbe9d1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}