{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x326718e1e58e9a56f20abbec8beee748ae9cde42d58708337147a5a8dc517453",
    "signature": "0xac5c3c8c3e1fa3fe58a64842210469eaff0dc6cb1b42cfa4a78f65734cef71e33732d6302a62a64a9234e57b05f33b94bc18fdcfa9ae1cfeae6f8d5eabded1dd1c",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}