{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6773f5000ee798eba39b2f8b56ebd15bbb6973bceae06006264625b7b5afd344",
    "signature": "0xa15ecd346a8843086d53a44772b6aef165b564596f8d745b8f82f9aae76d1bd2650bcf0a4a1ff1f835840048d6174312c6bfb3c928d2cab514cd2ffe69cc0fd71b",
    "signer": "0xC182DD49bF853104A737C783B9540f54bb450ed3",
    "userId": "31411703"
  }
}