{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "688850395",
    "entityType": "User",
    "nonce": "0x63476b6b42e56fd8cee880e51d38c597f87d9f68f660e2a58059bffdb042be88",
    "signature": "0x0d6791bbb81859acefc07809a0688cc0aab45164e59a10199ed4d97a692da342649cfa990fe79f55189cf20d8cea7e10cbf112be554ad29cdbb48c69bcf95ce21b",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}