{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x82bb2c9a64da7ccbe636dcd364e66e72f7b389251ff795a05f1dac71359b4296",
    "signature": "0xb6ee88bea4ad8df34f86f50309bd46abe2570b202cab8bb7cc3ee004301605a8238b8a7899f3a80173fbbcb4d0e4730aa38836016542ae23fad0ffe45a72bf611b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}