{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104699486",
    "entityType": "User",
    "nonce": "0x24ac5705af9c10ca1a46bae3095c17683cc1c6e057799e5fae396b9ea6001456",
    "signature": "0x8e31bac52abced7ebef60a8dde795f06da05b104db7958c4842c6b896377ad506d914e5f62582482161d7fd10f3090666d2f01b47f2fd67a70bfe060c40cd4771b",
    "signer": "0x33892C91AF7a2aA34ff26f688557426a58D8c18a",
    "userId": "873346349"
  }
}