{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396",
    "entityType": "User",
    "nonce": "0x50643811cb99b3176d019bd2900fbe96eac54cd8b38b92ec08f23476fcf7a027",
    "signature": "0xc65b8a0f8c4496d2b0bd50a989951ab676101047d39d943f615ced8a0fb52001196595ab8c2ffbb0d80683392cf888be3fab7b1fa06b6e8ffbf5d45b8f4405031b",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}