{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x95de9ed9bda3c0deab254533866b159ba5058c2ffb75cc65cdd1e9e39e8e5f02",
    "signature": "0xd6d62f63b7431813a4a9466496079c82dcb648a14946e9addfcf2e5ebe0a51a4495b6ed256d9d7090ab5a5b1813d190c864a2c674e3fff5c13c149c77a6335a01c",
    "signer": "0x2a14233e1f50922EA23fb817931968707B6A04c0",
    "userId": "727256442"
  }
}