{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x583674a70de19aaa07626ca3280eacdc92b4178fad8b488fa2e1cddd2d73bbbf",
    "signature": "0x350252ce7f87c825c77f8092f1cae3a685297f8b2d42e9339ae522c448a56a9f19888f2ba5af38cc143110d9fb0fe59f71b72a46ed79a895077fda499244408d1b",
    "signer": "0xCf3Bb6495181b155a84D12a68CD98Dbaaaf05cef",
    "userId": "841729770"
  }
}