{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494113495",
    "entityType": "User",
    "nonce": "0x38768842541949a0db78473f68cfc86e0d272400e6ec3ab0eb34366948abb1dc",
    "signature": "0xae97c3b23ae85e60674f1d04ba6efe056ba7c179a513ee5ed5887a4aac1e9448799247a78f12591d00b98ad7bb82947ed3469911c71a6d40a649a527a00ede151c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}