{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33173470",
    "entityType": "User",
    "nonce": "0xa89e8fc5cd07e9d030d5ccbc6bab14f803cfc34b05f8646f9e623283708410a1",
    "signature": "0x0f2a3f9e5a8894a279a1c8c6535d31e383d90d6351044ffe34f51fb81b3a84717e32600b1d93c26351b8dcdc88d3b8f0af71dedbd8383c3d7a2e385dd186fe211c",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}