{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31c2071b375d17e6da0720ff95725210c6b5c3b407e251851b8aeda6ee85d118",
    "signature": "0x24c9fefc1e441b70a83b88547281a73d35d23142954fd24f5376fd41db0b02c545de146273fcb8cbc2c93cfa9a9f9adb96b530ac24b8671e334ffb9d2c67830a1b",
    "signer": "0x918D9aAb6C3d5BE29871874861419bC1eF929e9c",
    "userId": "773538305"
  }
}