{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258269",
    "entityType": "User",
    "nonce": "0x06da8e0f989bf46ce112ff081334800d704181111096dcb961c89f2b8beb3592",
    "signature": "0x367e762a699b7810187fd662f044cb8ca6c3f841c92af7e36da16133cad0fc6a7741db173f1919a2ace59c5f86a87acc1f4619c7add631a868b5e46445770d461c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}