{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x7ad512bae153b5b7cdff75af71a3be8eac790fcbd94db4a44bd539ec5f33afdc",
    "signature": "0xb5a020a000aaae4ed190a3582eca22b791029b6009be44bd1adb47af7070469d2e63a6ec68820d1da06e331a02bea7f66633c6e578a73e6adf7e85698c91e1201b",
    "signer": "0x6AD8A511f55a98F773afb33eC22747a76AD9c2D6",
    "userId": "915337571"
  }
}