{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x37a0bddc4334203cf8eb0f2a54319532769ea1f2b8fec98b5cd8d18e283b2f09",
    "signature": "0x08fb48dafcd15975908e9578f4fc215144acf3f4b82da0938de788d0bdc990115aca7c9e08ec6bf1c850103cf3ab60a9207c9e970f487fbf4ffd538e647f537d1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}