{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf914259afcf8751d7c75835dc9f89de32697da1d8a2603eae622dcc1439b9bc1",
    "signature": "0xb8e48e4c7420f72755bf466958363dc853e54bde7f95c4068c25bc1822d52118387b7fd118cbe4739ef43f84f26724b37ed421dfafaf865fefee2903ebedc0bd1b",
    "signer": "0x892315d6bf0a1fD83345e430A8c751F8eB760100",
    "userId": "913442329"
  }
}