{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3497ec99cedc3bd34994679ba6306a443480023db9f5ba4f232db2b2b621ea52",
    "signature": "0x9fb889dba4d4b3affb256538a335285352a28a5b82196b76c25344e1a425b8814896f7d44a78418918b8c65f5180a551c7d648ab593494895043a71f3957a8c91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}