{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119840220",
    "entityType": "User",
    "nonce": "0x493557d8d13657c80ae1628989eddc94418e24f2cbfed1075b568c8479a4d3f8",
    "signature": "0xdaada99ba9dd3a98db4cdf6e6a696116da0dbd8fc18b86615018a709bf6c48fb52903a7a0b88be6b5b2cffbf2d820d7937bed77d10126f3c2c2505b7179902421b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}