{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x089b7b3851f0a9151f60fae915fe5a1ddfd8a25e9c037a5466679f99f10a832c",
    "signature": "0x71205d1c4c1f6d32f11c37d7a9151c7dcae62a7c991c23cd8cec9f6c450294552c85eb67247eb77a1e3bd6d50be27508b08b0752b5bcd4f61bf9052c8e40fcd41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}