{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334539",
    "entityType": "User",
    "nonce": "0x071f95102c5c3165a87022abbd429953183b35090a6ea8986b7128c4bf442077",
    "signature": "0x47ef9a058aa33b3eb0f42dcf451e0e80ba0ca14fbffe11004beb1cf9ed4241727c28268f11ddb6d79938418f79cb22a89bf233a6dd653d524638814d5755111d1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}