{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327682",
    "entityType": "User",
    "nonce": "0x476a1091b341f2ccf9253d6e2b52a709adc1e4cd9cbc27ef1f34976d1a6d0b90",
    "signature": "0x08d664ba30536fb9416d4d8684c2f3e57b37672c2dfd293727b9be64361527947d2dfe7a8fd54b616cc32a9891bc85e5b9e9032348da94bb9e040d50b70c91e81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}