{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x4e3bb17b2f0e7a9498bbb4f0f7667ce26088ca38f0bd087c80fae2b67c094647",
    "signature": "0x2e9a6113a5299737f5c316156f1259745cf05d0d9439f28eee34210fd6d08eb653db06de3cb4345cbf01a6ee2ccadf90e7b8fea30dc49faf1ee522cfc0c5a1661c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}