{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0x17c9f6d7b000f8b8fe819ff5fb12b8a47751b7aff46d9068fe70e0f52728d459",
    "signature": "0x65ffae3cf7fb32b404866e2c4387d8d9515ad620d26c2489d9eb00aaa49c411a767b2ffff69199af4d0544a585d54273ed6ffa0f155945de40a773403476b6a91c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}