{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x22b2bcbdbde06919d5046609642628e9bac44b1caec5fae9df0d3d3c07402515",
    "signature": "0x1e2058b7eb38efc8d4759b080dc8cf5e28cc8027e409c1ac79f3f8b95c9ed8870befb90eb840f76a71106d8cb5d9a4b423684b340bc51f31cdb018e2beae8cf11c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}