{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760716",
    "entityType": "User",
    "nonce": "0x7a0a382c014144a48fd10b621038278f4dce785dd508a5e5f89cf5b8096e8c69",
    "signature": "0x6c3dc37026c2a8a5d1ff6ee3a4ba9b3aa2b793d0957588a5e122d08e8e38371f39ac63605f589b8024209522db03686e72c82762c74006255ac5c4923eda81c81c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}