{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394450",
    "entityType": "User",
    "nonce": "0xb5535df962888bd930bae8d4979aac8cdf4ce427cf9bfdf29807f02b8ff7302c",
    "signature": "0xbf1801680084a40bf85718d835fd347e0464d61c8ffbe468f931fc0a7919f65874268b802132439560118752887c40d5c5f922d28af8cee2b7cb06d84514f3351b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}