{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104439",
    "entityType": "User",
    "nonce": "0xba3e63f10161df8d643bcec076b029a9cf318917c0d95d22fb684f19af49d647",
    "signature": "0x43a32e161f66a3055897583943e9b474b1893c347937954239f54afbbffcbdcd641c3688f8fc685e4fcaa8fe56856046ec6d5f29a074a9c02c1c1eeec5c8907e1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}