{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdcebcfac283a1ebe37281ab333aa92d7ce9684b5578fb1aab4559df4828c364b",
    "signature": "0x2125bf59666a54872b7b5d3fa6a118432ad792fd3e3bcce47d52a8697d9b44a0155710e9a73512c38a4f11d59daf44a8cad02461981c1e45030fd8d4e0e951fc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}