{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x717a27abd61167cb9451a7378cdbbd0ce1cf494ed8ba61b19ba30dd52750bce9",
    "signature": "0x6d163dc56fb2bd5cbfdd55a1d407fc84eab12e59c1d863c63e71130eff264ca56fe2aee7cd78e6642cbbcecaa00a0d28cc92882024244f30891424cdf10d19d31c",
    "signer": "0xC07bCa19c00692a7AddDb26a6795D9A7F8bd4715",
    "userId": "48052618"
  }
}