{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829358377",
    "entityType": "User",
    "nonce": "0x9cd59ec374378666304b548ac11bff196d8b9e3698f8adb3b56a9c7290102704",
    "signature": "0x9c749b2f38eb8a9d190bb15481293df799d41f34b83d6a996510d3a5847b27eb66cdc7c86fb093ae872f03d106e6a91ad3576757474a3bf8c2f960be8fe8bbec1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}