{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0xd543ef279898242cd0698bb5be7c7127e49bb21051a1c34042f082b4be3e96ce",
    "signature": "0xa76cd07d876fa2e43baceea635088f5f98439f049a1ecae77a23815c46d07d7a6c657add7987534cbd0a1f1ae8f8133e99693ebf0bd025cf3e62ad532bc5c8131c",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}