{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185108",
    "entityType": "User",
    "nonce": "0x1cc1abfc2b64e94307f94b88a44535b1afa474c6b7ad3f3b37b7b3d5a2ae0fef",
    "signature": "0x9fabbbca465367247940c0aa6c156089b9fca4ad95c0f539042e60f7b5f933ae06d979587f048a61e1aa90f51c4e9d5ed5d6832b8bf7a81390f35573d87489921b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}