{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x81c62dfe9f69b46851ea65de3fa19207c7c086d1d984c18c7d2c4b9d549638a1",
    "signature": "0x5d50f4bbe328131b90e41e6e5d8e67c7721084f2ba969f7e41fb7b565bc3acac5459d4c7d5c05c14ad443f4567b2b45d24e10d19d20606fa17f25b05c76762df1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}