{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf2853444b11c892933fa3325353f284a55553bb0af1bd6cca1fd04f6bbcc95d0",
    "signature": "0x242a60108306389db0c13f6f71d762646641496099a30f160c038eb8bcdc4b3a17ee2a3c8c907740baa28cbc2837724a8e9fdc90e06f1fbb67118b85f12bdd571c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}