{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0xce5d1782206dd5a6f27fb59e3c523b4d32bf005c2eb7bea6464ca4fae10f689a",
    "signature": "0xd9f75b9a9821eef4e09877842caf3c4d51699cf3dc79d3fff866ba5497353c6557cd2e9eeed71f7d2c7d8414862ec6e864d5afd7a32ec45005d3fa91343de8ab1c",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}