{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb9acb0ee96d3eeb8bec19fee7cad4e0a1aa462da756eb832ee084890ed6a5c6",
    "signature": "0x3f3704b239c2e91f0c2145eccb4e0aeb2eb40e55f52fe3d69afbcbe8a6f0231803a2aa2948e2c9133658ded1c92696cfea0d4a03b227b7de5db0b252d38cea1f1c",
    "signer": "0x92832f9F2aBD97ce563Eee0F4A6056FD4c526896",
    "userId": "849503862"
  }
}