{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5d47791df49c8f13943e51d3360fc58686dd4fe646b448774a2944a94f39c370",
    "signature": "0xff953b06335aae4b099b4ff9318e43b7a836d6b29c3090732a17c5615dbdc3b745f50a31fe947e1ec38b43a292f77c497a089687aaefef82f2b6f17385a9731c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}