{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39992",
    "entityType": "User",
    "nonce": "0x560bd115103f673757b1406ce2ae37d745b0edb33869a9a65b32c21316a623ee",
    "signature": "0xd3605d2eeae7b2f615c291d71b9a078570aa341976d8d840cc11938c02a4a58d2117981aca1e0f7c4cc885b70290b36fbd862b70dae97c3102ea754c9f41cd551b",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}