{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "535114",
    "entityType": "User",
    "nonce": "0x86eb8d914979be740a6547ab6397ea3c3426963e62683e07456c90e2c2e39939",
    "signature": "0x7935e472b311b14d3450ffab0965695b8278d5809cc93da399eba52ed6e611ac090799b7636c74829120dec90284303cb8964c1fa408f681d57898cfd16761ec1b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}