{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbdfcefe32c6aecf378b8ca015a17b029b125bca0ea1aee2ad79e994bd120a1c1",
    "signature": "0x9a90326aa363eb102e0fc40672b6293694ef898538b45af7987ab1f4cd7e1b86474e7aa76b6bc440f4969953bcfd8d118ca83e3bbb0770166c214e6e8187f0731b",
    "signer": "0xE8c231ad512795aD387E35581C635FA0a0C4f0cE",
    "userId": "467191896"
  }
}