{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x238f601dfc98f2f49ac304b4f3c53075699cc424efe538e1286bb6b4a83c009c",
    "signature": "0x7107e50c1d53fd3795d15b67dfadb4633af2afa7080aa766133d0d83d712d99a13f031d2645cc6c1f92fc2a802ff91632a548a0e505abb13b9971f706112decf1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}