{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xab2e1e4635e09a236240821647e4a6473ae4c8da56556c65082d46a287ee6e57",
    "signature": "0x2b49f5756ada9be868c1ac48e4a7ca4fabf1797d52df02dd637a9147ea6dd8c9245f4a35ce51930c187e98f7f49bab2555c6367d33f7429c9a34d9f157b2dfa31b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}