{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xbd98d0a4b97823838ecd0b2908af36b2b7f6fe385ae1fa1a73b90d1dda280ffe",
    "signature": "0xe17b676bfa3f37ad5e183101bf01a6f632eeccd87348334a8d6af35f951361c31504b3c9b98c0206b90edc7ef1fb5a9cde2200f4ce8a103b5947154a6407490f1b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}